课程内容更新
This commit is contained in:
MYP
@@ -1,4 +1,4 @@
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# <20><><EFBFBD><EFBFBD>
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# 01 <20><><EFBFBD><EFBFBD>
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֪ʶ<EFBFBD>ṹ<EFBFBD><EFBFBD>
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@@ -1,512 +0,0 @@
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# 02 C#<23><><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD><EFBFBD>ṹ
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**֪ʶ<D6AA>ṹ<EFBFBD><E1B9B9>**
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---
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## 1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>һ<EFBFBD>ַ<EFBFBD><EFBFBD>ࣺ
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>`byte`<EFBFBD><EFBFBD>`short`<EFBFBD><EFBFBD>`int`<EFBFBD><EFBFBD>`long`<EFBFBD><EFBFBD>`float`<EFBFBD><EFBFBD>`double`<EFBFBD><EFBFBD>`char`<EFBFBD><EFBFBD>`bool`
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>`struct`<EFBFBD><EFBFBD>`enum`<EFBFBD><EFBFBD>`class`<EFBFBD><EFBFBD>`interface`
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<EFBFBD>ڶ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ࣺ
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- ֵ<><D6B5><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD>struct<63><74><EFBFBD>͡<EFBFBD>enum<75><6D><EFBFBD><EFBFBD>
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ<EFBFBD><D6B7>
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>class<73><73><EFBFBD>͡<EFBFBD><CDA1><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>
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```c
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public struct Book
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{
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public double Price;
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public string Title;
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public string Author;
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}
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class Program
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{
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static void ChangeBook(Book bk)
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{
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bk.Price = 1.01;
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bk.Title = "Spss";
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bk.Author = "John";
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}
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static void PrintBook(Book bk)
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{
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Console.WriteLine("Book Infor:\n Price={0},Tile={1},Author={2}",
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bk.Price, bk.Title, bk.Author);
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}
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static void Main(string[] args)
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{
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Book bk;// = new Book();
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bk.Price = 10.01;
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bk.Title = "MatLab";
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bk.Author = "Tom";
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PrintBook(bk);
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ChangeBook(bk);
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PrintBook(bk);
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//Book Infor:
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//Price=10.01,Tile=MatLab,Author=Tom
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//Book Infor:
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//Price=10.01,Tile=MatLab,Author=Tom
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}
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}
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```
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı䱾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>
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```c
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public class Book
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{
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public double Price;
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public string Title;
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public string Author;
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}
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class Program
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{
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static void ChangeBook(Book bk)
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{
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bk.Price = 1.01;
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bk.Title = "Spss";
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bk.Author = "John";
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}
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static void PrintBook(Book bk)
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{
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Console.WriteLine("Book Infor:\n Price={0}, Tile={1}, Author={2}",
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bk.Price, bk.Title, bk.Author);
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}
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static void Main(string[] args)
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{
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Book bk = new Book(); //<2F><><EFBFBD><EFBFBD> Book bk;
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bk.Price = 10.01;
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bk.Title = "MatLab";
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bk.Author = "Tom";
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PrintBook(bk);
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// Book Infor:
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// Price = 10.01, Tile = MatLab, Author = Tom
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ChangeBook(bk);
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PrintBook(bk);
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// Book Infor:
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// Price = 1.01, Tile = Spss, Author = John
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}
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}
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```
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<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>
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```c
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class Program
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{
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static void ChangeArrayItem(int[] array)
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{
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for (int i = array.Length - 1; i >= 0; i--)
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{
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array[i] = array.Length - 1 - i;
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}
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}
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static void PrintArrayItem(int[] arry)
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{
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for (int i = 0; i < arry.Length; i++)
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{
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Console.Write("{0} ", arry[i]);
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}
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Console.WriteLine();
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}
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static void Main(string[] args)
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{
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int[] arr = new int[3];
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for (int i = 0; i < arr.Length; i++)
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{
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arr[i] = i;
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}
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PrintArrayItem(arr); // 0 1 2
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ChangeArrayItem(arr);
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PrintArrayItem(arr); // 2 1 0
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}
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}
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```
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<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD>3˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ<EFBFBD><EFBFBD>Ҫ<EFBFBD>ı䱾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Ҫע<EFBFBD>⡰ֵ<EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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---
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## 2<><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>볣<EFBFBD><EBB3A3>
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>壺`<60><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;`
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>壺
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- `readonly` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><ECBAAF><EFBFBD>г<EFBFBD>ʼ<EFBFBD><CABC>
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- `const` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʼ<EFBFBD><CABC>
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<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD>
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```c
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public class SimpleClass
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{
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public int X;
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public readonly int Y = 2;
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public readonly int Z;
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public const double Pi = 3.1415926;
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public const string Etc = "...";
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public SimpleClass()
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{
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Z = 3;
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}
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public SimpleClass(int p1, int p2, int p3)
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{
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X = p1;
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Y = p2;
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Z = p3;
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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SimpleClass sp1 = new SimpleClass();
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sp1.X = 1;
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Console.WriteLine("sp1:x={0}, y={1}, z={2}", sp1.X, sp1.Y, sp1.Z);
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// sp1: x = 1, y = 2, z = 3
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SimpleClass sp2 = new SimpleClass(-1, -2, -3);
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Console.WriteLine("sp2:x={0} ,y={1}, z={2}", sp2.X, sp2.Y, sp2.Z);
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// sp2: x = -1 ,y = -2, z = -3
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Console.WriteLine("PI={0}{1}", SimpleClass.Pi, SimpleClass.Etc);
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// PI = 3.1415926...
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}
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}
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```
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>`readonly`<EFBFBD><EFBFBD>`const`<EFBFBD><EFBFBD><EFBFBD>峣<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>ʹ<EFBFBD>øó<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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---
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## 3<><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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- һԪ<D2BB><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `x++`,`y++`
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- <20><>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `x+y`,`x-y`
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- <20><>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `max = (x>y)?x:y;`
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `+<2B><>-<2D><>*<2A><>/<2F><>%`
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- <20><>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `><3E><>>=<3D><>==<3D><>!=<3D><><=<3D><><`
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- <20><EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `!<21><>&&<26><>||`
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD>ʽ<EFBFBD>ӡ<EFBFBD>
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---
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## 4<><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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**4.1 <20><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>**
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> = <20><><EFBFBD><EFBFBD>ʽ;
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**4.2 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
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<EFBFBD><EFBFBD>һ<EFBFBD>֣<EFBFBD>
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```c
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if(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
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}
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```
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<EFBFBD>ڶ<EFBFBD><EFBFBD>֣<EFBFBD>
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```c
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if(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
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}
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else
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
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}
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```
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>
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```c
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if(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ1)
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1;
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}
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else if(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ2)
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2;
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}
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else if(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽN)
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N;
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}
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else
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{
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N+1;
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}
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```
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**4.3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
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```c
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swith(<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
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{
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case ֵ1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1; break;
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case ֵ2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2; break;
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case ֵN<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N; break;
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default<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N+1; break;
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}
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```
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<EFBFBD><EFBFBD>5<EFBFBD><EFBFBD>
|
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```c
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class Program
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{
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static void Main(string[] args)
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{
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Random rdm = new Random();
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int i = rdm.Next(1, 5);
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Console.WriteLine(i); // 1
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switch (i)
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{
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case 1:
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Console.WriteLine("Case 1.");
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break;
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case 2:
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Console.WriteLine("Case 2.");
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break;
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case 3:
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Console.WriteLine("Case 3.");
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break;
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default:
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Console.WriteLine("Default Case.");
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break;
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}
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// Case 1.
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i = rdm.Next(1, 5);// 1
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Console.WriteLine(i);
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switch (i)
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{
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||||
case 1:
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||||
case 2:
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||||
case 3:
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Console.WriteLine("It's 1,2 or 3.");
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break;
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||||
default:
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Console.WriteLine("Not Sure What it is.");
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break;
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||||
}
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||||
//It's 1,2 or 3.
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||||
}
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||||
}
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||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>`switch`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>`case`<EFBFBD><EFBFBD><EFBFBD>䶼<EFBFBD><EFBFBD>Ҫƥ<EFBFBD><EFBFBD>`break`<EFBFBD><EFBFBD><EFBFBD>䡣
|
||||
|
||||
**4.4 ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
<EFBFBD><EFBFBD>һ<EFBFBD>֣<EFBFBD>
|
||||
```c
|
||||
for(<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ;<EFBFBD>ж<EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD>ڶ<EFBFBD><EFBFBD>֣<EFBFBD>
|
||||
|
||||
```c
|
||||
while(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>
|
||||
```c
|
||||
do
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}while(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ);
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>
|
||||
```c
|
||||
foreach(Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Ԫ<EFBFBD><EFBFBD> in <EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;//ͨ<><CDA8><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ÿ<EFBFBD><C3BF>Ԫ<EFBFBD><D4AA>
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD>6<EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
int i;
|
||||
int sum = 0;
|
||||
for (i = 1; i <= 10; i++)
|
||||
{
|
||||
sum += i;
|
||||
}
|
||||
Console.WriteLine(sum);// 55
|
||||
|
||||
sum = 0;
|
||||
i = 1;
|
||||
while (i <= 10)
|
||||
{
|
||||
sum += i;
|
||||
i++;
|
||||
}
|
||||
Console.WriteLine(sum);// 55
|
||||
|
||||
sum = 0;
|
||||
i = 1;
|
||||
do
|
||||
{
|
||||
sum += i;
|
||||
i++;
|
||||
} while (i <= 10);
|
||||
Console.WriteLine(sum);// 55
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
int[] arry = new int[] { 1, 3, 5, 7 };
|
||||
foreach (int i in arry)
|
||||
{
|
||||
Console.WriteLine(i);
|
||||
}
|
||||
// 1
|
||||
// 3
|
||||
// 5
|
||||
// 7
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**4.5 try<72><79>catch<63><68>finally <20><><EFBFBD><EFBFBD>**
|
||||
|
||||
```c
|
||||
try
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
||||
}
|
||||
catch(Exception ex)
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
||||
}
|
||||
finally
|
||||
{
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD>8<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>š<EFBFBD>*<2A><><EFBFBD>š<EFBFBD>
|
||||
|
||||
```c
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Console.WriteLine("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
// abc
|
||||
|
||||
string sTemp = Console.ReadLine();
|
||||
try
|
||||
{
|
||||
int iCount = int.Parse(sTemp);
|
||||
for (int i = 0; i < iCount; i++)
|
||||
{
|
||||
Console.Write("*");
|
||||
}
|
||||
Console.WriteLine();
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Console.WriteLine("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD>Ϊ:" + ex.Message);
|
||||
// <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>Ϊ:<3A><><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>ĸ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7>
|
||||
}
|
||||
finally
|
||||
{
|
||||
Console.WriteLine("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>.");
|
||||
// <20><><EFBFBD><EFBFBD>.
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>`try<72><79>catch<63><68>finally`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
**4.6 break<61><6B>continue <20><><EFBFBD><EFBFBD>**
|
||||
|
||||
- `break`<EFBFBD><EFBFBD><EFBFBD>䣺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`switch`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- `continue`<EFBFBD><EFBFBD><EFBFBD>䣺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>9<EFBFBD><EFBFBD>
|
||||
```c
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
for (int i = 1; i <= 100; i++)
|
||||
{
|
||||
if (i == 5)
|
||||
break;
|
||||
Console.WriteLine(i);
|
||||
}
|
||||
// 1
|
||||
// 2
|
||||
// 3
|
||||
// 4
|
||||
|
||||
for (int i = 1; i <= 100; i++)
|
||||
{
|
||||
if (i < 99)
|
||||
continue;
|
||||
Console.WriteLine(i);
|
||||
}
|
||||
// 99
|
||||
// 100
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
**4.7 ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
- <20><><EFBFBD><EFBFBD>ע<EFBFBD>ͣ<EFBFBD>`//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`
|
||||
- <20><><EFBFBD><EFBFBD>ע<EFBFBD>ͣ<EFBFBD>`/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/`
|
||||
|
||||
|
||||
|
||||
|
||||
Binary file not shown.
@@ -1,870 +0,0 @@
|
||||
# 03 C#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> I
|
||||
|
||||
|
||||
**֪ʶ<D6AA>ṹ<EFBFBD><E1B9B9>**
|
||||
|
||||
|
||||
|
||||
---
|
||||
## 1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- <20>ࣺ<EFBFBD>ø<C3B8><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֵ<EFBFBD>һ<EFBFBD><D2BB>ADT<44><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
---
|
||||
## 2<><32><EFBFBD><EFBFBD>װ
|
||||
|
||||
**2.1 ʲô<CAB2>Ƿ<EFBFBD>װ**
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>ֹ<EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ֹ<EFBFBD><EFBFBD>̡<EFBFBD>
|
||||
|
||||
**2.2 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>װ**
|
||||
|
||||
- ͨ<><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD>`private`<EFBFBD><EFBFBD>`protected`<EFBFBD><EFBFBD>`public`<EFBFBD><EFBFBD>`internal`<EFBFBD><EFBFBD>ʵ<EFBFBD>֡<EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ݣ<EFBFBD>Data<74><61><EFBFBD>Ͳ<EFBFBD><CDB2><EFBFBD><EFBFBD><EFBFBD>Operation<6F><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD><CEB7><EFBFBD>
|
||||
- `private`<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD>Ĭ<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>
|
||||
- `protected`<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʡ<EFBFBD>
|
||||
- `public`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD>ʡ<EFBFBD>
|
||||
- `internal`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD>൱<EFBFBD><EFBFBD>`public`<EFBFBD><EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD><CEB7><EFBFBD>
|
||||
- `public`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>á<EFBFBD>
|
||||
- `internal`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ʹ<EFBFBD>ã<EFBFBD>Ĭ<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
ע<EFBFBD><EFBFBD>`internal`<EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԣ<EFBFBD>ֻҪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߲<EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ䣬ֻҪʹ<EFBFBD><EFBFBD>`using`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ伴<EFBFBD>ɣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ䲢<EFBFBD><EFBFBD><EFBFBD>ǽ綨<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>DZ<EFBFBD>֤ȫ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>Ψһ<EFBFBD>Եġ<EFBFBD>
|
||||
|
||||
<EFBFBD>ο<EFBFBD>ͼ<EFBFBD>ģ<EFBFBD>
|
||||
- [<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>C#<23><>internal<61><EFBFBD><DEB6><EFBFBD><EFBFBD>η<EFBFBD><CEB7><EFBFBD>](https://mp.weixin.qq.com/s?__biz=MzIyNDA1NjA1NQ==&mid=2651012035&idx=1&sn=442e2b1e601082b6553ffa06e52c0ae4&chksm=f3e35c5bc494d54d43d9b78947f8e9995208e6404dcd1c92625f780338924261936d227f132d&token=1238973891&lang=zh_CN#rd)
|
||||
|
||||
**2.3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ**
|
||||
|
||||
- <20><>ͼ<EFBFBD><CDBC>Class Diagram<61><6D>
|
||||
- -<2D><>`private`
|
||||
- +<2B><>`public`
|
||||
- #<23><>`protected`
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼʵ<EFBFBD><EFBFBD>Animal<EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Animal Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Animal Sleep.");
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Animal al = new Animal();
|
||||
al.Eat();// Animal Eat.
|
||||
al.Sleep();// Animal Sleep.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## 3<><33><EFBFBD>̳<EFBFBD>
|
||||
|
||||
**3.1 ʲô<CAB2>Ǽ̳<C7BC>**
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>и<EFBFBD><EFBFBD><EFBFBD>ijЩData<EFBFBD><EFBFBD>Operation<EFBFBD>Ĺ<EFBFBD><EFBFBD>̡<EFBFBD>
|
||||
|
||||
**3.2 <20><><EFBFBD><EFBFBD><EFBFBD>̳<EFBFBD>**
|
||||
|
||||
|
||||
```c
|
||||
public class Child : Parent
|
||||
{
|
||||
//<2F><>
|
||||
}
|
||||
````
|
||||
- `Child`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ࣨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ࣩ<EFBFBD><EFBFBD>`Parent`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ࣨ<EFBFBD><EFBFBD><EFBFBD>ࣩ
|
||||
- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>á<EFBFBD>:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>̳С<EFBFBD>
|
||||
|
||||
C# ֻ֧<EFBFBD>ֵ<EFBFBD><EFBFBD>̳У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳е<EFBFBD><EFBFBD>ࡣ
|
||||
```
|
||||
public sealed class Name
|
||||
{
|
||||
//...
|
||||
}
|
||||
```
|
||||
- <20><><EFBFBD><EFBFBD>`sealed`<60>ؼ<EFBFBD><D8BC>ֿɷ<D6BF>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>౻<EFBFBD>̳С<CCB3>
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>븸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ̳й<EFBFBD>ϵ<EFBFBD><EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD> `public` `protected` `private` `internal`
|
||||
- <20><><EFBFBD><EFBFBD> `public` `protected` <20><EFBFBD><DEB7>̳<EFBFBD> `internal`
|
||||
|
||||
**3.3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʸ<EFBFBD><CAB8><EFBFBD><EFBFBD><EFBFBD>Ա**
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`base`<60>ؼ<EFBFBD><D8BC>֡<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
public class Parent
|
||||
{
|
||||
private int _data1; // ֻ<>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>
|
||||
protected int Data2; // <20>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʺͼ̳<CDBC>
|
||||
public int Data3; // <20>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʺͼ̳<CDBC>
|
||||
}
|
||||
|
||||
public class Child : Parent
|
||||
{
|
||||
public Child()
|
||||
{
|
||||
base.Data2 = 2;
|
||||
base.Data3 = 3;
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Child cld = new Child();
|
||||
Console.WriteLine(cld.Data3); // 3
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
public class Parent
|
||||
{
|
||||
private int _data1; // ֻ<>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>
|
||||
protected int Data2; // <20>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʺͼ̳<CDBC>
|
||||
public int Data3; // <20>ܱ<EFBFBD><DCB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʺͼ̳<CDBC>
|
||||
public Parent(int dt1, int dt2, int dt3)
|
||||
{
|
||||
_data1 = dt1;
|
||||
Data2 = dt2;
|
||||
Data3 = dt3;
|
||||
}
|
||||
}
|
||||
|
||||
public class Child : Parent
|
||||
{
|
||||
public Child() : base(0, 2, 3)
|
||||
{
|
||||
;
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Child cld = new Child();
|
||||
Console.WriteLine(cld.Data3);// 3
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**3.4 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ**
|
||||
|
||||
- ͨ<><CDA8><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>ʾ
|
||||
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼʵ<EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>ļ̳й<EFBFBD>ϵ<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Animal Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Animal Sleep.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Bird : Animal
|
||||
{
|
||||
public void Fly()
|
||||
{
|
||||
Console.WriteLine("Bird Fly.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Fish : Animal
|
||||
{
|
||||
public void Swim()
|
||||
{
|
||||
Console.WriteLine("Fish Swim.");
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Dog dog = new Dog();
|
||||
dog.Run(); //Dog Run.
|
||||
Bird bird = new Bird();
|
||||
bird.Fly(); //Bird Fly.
|
||||
Fish fish = new Fish();
|
||||
fish.Swim(); //Fish Swim.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**3.5 ʵ<><CAB5><EFBFBD><EFBFBD>**
|
||||
|
||||
Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洢<EFBFBD>ռ<EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD>̡<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>5<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
public class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Animal Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Animal Sleep.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Animal al = new Animal(); // ʵ<><CAB5><EFBFBD><EFBFBD>Animal
|
||||
al.Eat(); // Animal Eat.
|
||||
al.Sleep(); // Animal Sleep.
|
||||
|
||||
Dog dg = new Dog(); // ʵ<><CAB5><EFBFBD><EFBFBD>Dog
|
||||
dg.Age = 2;
|
||||
dg.Weight = 4.5;
|
||||
Console.WriteLine("Dog Infor: Age:{0},Weight:{1}",
|
||||
dg.Age, dg.Weight);
|
||||
// Dog Infor: Age:2, Weight:4.5
|
||||
dg.Sleep(); // Animal Sleep.
|
||||
dg.Eat(); // Animal Eat.
|
||||
dg.Run(); // Dog Run.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD>6<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>븸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Animal Eat.");
|
||||
}
|
||||
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Animal Sleep.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Animal al = new Dog(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
al.Eat(); // Animal Eat.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣩
|
||||
al.Sleep(); // Animal Sleep.
|
||||
|
||||
Dog dg = al as Dog; //ǿ<><C7BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>Dog dg = (Dog)al;
|
||||
dg.Eat(); // Dog Eat.
|
||||
dg.Sleep(); // Dog Sleep.
|
||||
dg.Run(); // Dog Run.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
ע<EFBFBD>⣺
|
||||
|
||||
- `Animal al = new Dog();`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>
|
||||
- `Dog dg = new Animal();`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Dog`һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Animal`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Animal`<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Dog`<EFBFBD><EFBFBD>
|
||||
|
||||
- `Animal al = new Dog();`
|
||||
- `Dog dg = al;`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫǿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- `Dog dg = al as Dog;` <20><><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>`al`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Dog`<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>null<EFBFBD><EFBFBD>
|
||||
- `Dog dg = (Dog)al;` <20><><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>`al`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`Dog`<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
---
|
||||
## 4<><34><EFBFBD><EFBFBD>̬
|
||||
|
||||
**4.1 ʲô<CAB2>Ƕ<EFBFBD>̬**
|
||||
|
||||
<EFBFBD><EFBFBD>ͬ<EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Operation<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>ͬ<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD>ͬ<EFBFBD>Ľ<EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>ִ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**4.2 <20><>̬<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>**
|
||||
- <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>override<64><65>д<EFBFBD><D0B4>
|
||||
- <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>̬<EFBFBD><CCAC><EFBFBD>ڱ<EFBFBD><DAB1><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>overload<61><64><EFBFBD>أ<EFBFBD>
|
||||
|
||||
**4.3 <20><>̬<EFBFBD><CCAC>ʵ<EFBFBD><CAB5>**
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD>
|
||||
|
||||
- <20>ڸ<EFBFBD><DAB8><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>岢ʵ<E5B2A2><CAB5><EFBFBD>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD>virtual<61><6C>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD>д<EFBFBD><D0B4>override<64><65><EFBFBD><EFBFBD><EFBFBD>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD>
|
||||
- <20>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>з<EFBFBD><D0B7><EFBFBD><EFBFBD><EFBFBD>
|
||||
- <20><>д<EFBFBD>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><F3B7BDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>βΣ<CEB2><CEA3><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD>ͱ<EFBFBD><CDB1><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>
|
||||
|
||||
<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>̬<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
|
||||
public virtual void Eat()
|
||||
{
|
||||
Console.WriteLine("Animal Eat.");
|
||||
}
|
||||
|
||||
public virtual void Sleep()
|
||||
{
|
||||
Console.WriteLine("Animal Sleep.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public override void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
|
||||
public override void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
|
||||
public virtual void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Animal al = new Dog();
|
||||
//<2F><>ִ<EFBFBD><D6B4>ʱ<EFBFBD><CAB1>ͨ<EFBFBD><CDA8><EFBFBD>ж<EFBFBD>al<61><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD>;
|
||||
al.Eat(); // Dog Eat.
|
||||
al.Sleep(); // Dog Sleep.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD>
|
||||
|
||||
- <20><><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD>ͬ<EFBFBD>İ汾<C4B0><E6B1BE>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD>`operator`<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>
|
||||
- public static <20><><EFBFBD><EFBFBD> operator <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28>β<EFBFBD><CEB2>б<EFBFBD>){ <20><> }
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD>ͬ<EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>8<EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼʵ<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>̬<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Complex
|
||||
{
|
||||
public int A;
|
||||
public int B;
|
||||
|
||||
public Complex(int a, int b)
|
||||
{
|
||||
this.A = a; //this<69><73>ʾ<EFBFBD><CABE><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>Complex<65><78><EFBFBD><EFBFBD>
|
||||
this.B = b;
|
||||
}
|
||||
|
||||
public static Complex operator +(Complex c1, Complex c2)
|
||||
{
|
||||
return new Complex(c1.A + c2.A, c1.B + c2.B);
|
||||
}
|
||||
|
||||
public override string ToString()
|
||||
{
|
||||
return string.Format("{0}+{1}i", A, B);
|
||||
}
|
||||
}
|
||||
|
||||
public class Math
|
||||
{
|
||||
public int Add(int x, int y)
|
||||
{
|
||||
return x + y;
|
||||
}
|
||||
|
||||
public double Add(double x, double y)
|
||||
{
|
||||
return x + y;
|
||||
}
|
||||
|
||||
public Complex Add(Complex x, Complex y)
|
||||
{
|
||||
return x + y;
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Complex c1 = new Complex(1, 2);
|
||||
Complex c2 = new Complex(3, 4);
|
||||
Complex c3 = c1 + c2;
|
||||
Console.WriteLine("C1={0}", c1); // C1=1+2i
|
||||
Console.WriteLine("C2={0}", c2); // C2=3+4i
|
||||
Console.WriteLine("C3={0}", c3); // C3=4+6i
|
||||
Math mth = new Math();
|
||||
Complex c4 = mth.Add(c2, c3);
|
||||
//<2F>ڱ<EFBFBD><DAB1><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD>;
|
||||
Console.WriteLine("C4={0}", c4); // C4=7+10i
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD>ܽ`override`<EFBFBD><EFBFBD>`overload`
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
**4.4 <20><><EFBFBD><EFBFBD><F3B7BDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
- <20><><EFBFBD><EFBFBD><F3B7BDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Կ<EFBFBD><D4BF><EFBFBD>û<EFBFBD><C3BB>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD>`abstract`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD>д<EFBFBD><EFBFBD>`override`<EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD>ࣺ<EFBFBD><E0A3BA><EFBFBD>г<EFBFBD><D0B3><EFBFBD><F3B7BDB7><EFBFBD><EFBFBD>ࡣ<EFBFBD><E0A1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E0B2BB><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>9<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼʵ<EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public abstract class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
public abstract void Eat();
|
||||
public abstract void Sleep();
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public override void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
public override void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Animal al = new Dog();
|
||||
al.Eat(); // Dog Eat.
|
||||
al.Sleep(); // Dog Sleep.
|
||||
((Dog)al).Run(); // Dog Run.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
ע<EFBFBD>⣺
|
||||
- `al.Run();`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- `((Dog)al).Run();`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD>û<EFBFBD><EFBFBD>Run<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫǿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
- `Animal al = new Animal ();`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD>ܽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鷽<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>10<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ
|
||||
|
||||
ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>Raiser<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀǰ״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dog<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Bird<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣨Fish<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Sleep<EFBFBD><EFBFBD><EFBFBD>ͳԷ<EFBFBD><EFBFBD><EFBFBD>Eat<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶġ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c++
|
||||
public class Bird
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Bird Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Bird Sleep.");
|
||||
}
|
||||
public void Fly()
|
||||
{
|
||||
Console.WriteLine("Bird Fly.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Fish
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Fish Eat.");
|
||||
}
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Fish Sleep.");
|
||||
}
|
||||
public void Swim()
|
||||
{
|
||||
Console.WriteLine("Fish Swim.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Raiser
|
||||
{
|
||||
public void RaiseDog()
|
||||
{
|
||||
Dog dog = new Dog();
|
||||
dog.Eat();
|
||||
dog.Sleep();
|
||||
}
|
||||
public void RaisBird()
|
||||
{
|
||||
Bird bird = new Bird();
|
||||
bird.Eat();
|
||||
bird.Sleep();
|
||||
}
|
||||
public void RaisFish()
|
||||
{
|
||||
Fish fish = new Fish();
|
||||
fish.Eat();
|
||||
fish.Sleep();
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Raiser rar = new Raiser();
|
||||
rar.RaiseDog();
|
||||
// Dog Eat.
|
||||
// Dog Sleep.
|
||||
rar.RaisBird();
|
||||
// Bird Eat.
|
||||
// Bird Sleep.
|
||||
rar.RaisFish();
|
||||
// Fish Eat.
|
||||
// Fish Sleep.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public class Bird
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Bird Eat.");
|
||||
}
|
||||
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Bird Sleep.");
|
||||
}
|
||||
|
||||
public void Fly()
|
||||
{
|
||||
Console.WriteLine("Bird Fly.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Fish
|
||||
{
|
||||
public void Eat()
|
||||
{
|
||||
Console.WriteLine("Fish Eat.");
|
||||
}
|
||||
|
||||
public void Sleep()
|
||||
{
|
||||
Console.WriteLine("Fish Sleep.");
|
||||
}
|
||||
|
||||
public void Swim()
|
||||
{
|
||||
Console.WriteLine("Fish Swim.");
|
||||
}
|
||||
}
|
||||
|
||||
public enum AnimalType
|
||||
{
|
||||
Dog,
|
||||
Bird,
|
||||
Fish
|
||||
};
|
||||
|
||||
public class Raiser
|
||||
{
|
||||
public void Raise(AnimalType alt)
|
||||
{
|
||||
switch (alt)
|
||||
{
|
||||
case AnimalType.Bird:
|
||||
Bird bird = new Bird();
|
||||
bird.Eat();
|
||||
bird.Sleep();
|
||||
break;
|
||||
case AnimalType.Dog:
|
||||
Dog dog = new Dog();
|
||||
dog.Eat();
|
||||
dog.Sleep();
|
||||
break;
|
||||
case AnimalType.Fish:
|
||||
Fish fish = new Fish();
|
||||
fish.Eat();
|
||||
fish.Sleep();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Raiser rar = new Raiser();
|
||||
rar.Raise(AnimalType.Dog);
|
||||
// Dog Eat.
|
||||
// Dog Sleep.
|
||||
rar.Raise(AnimalType.Bird);
|
||||
// Bird Eat.
|
||||
// Bird Sleep.
|
||||
rar.Raise(AnimalType.Fish);
|
||||
// Fish Eat.
|
||||
// Fish Sleep.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
```c
|
||||
public abstract class Animal
|
||||
{
|
||||
public int Age;
|
||||
public double Weight;
|
||||
public abstract void Eat();
|
||||
public abstract void Sleep();
|
||||
}
|
||||
|
||||
public class Bird : Animal
|
||||
{
|
||||
public override void Eat()
|
||||
{
|
||||
Console.WriteLine("Bird Eat.");
|
||||
}
|
||||
|
||||
public override void Sleep()
|
||||
{
|
||||
Console.WriteLine("Bird Sleep.");
|
||||
}
|
||||
|
||||
public void Fly()
|
||||
{
|
||||
Console.WriteLine("Bird Fly.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog : Animal
|
||||
{
|
||||
public override void Eat()
|
||||
{
|
||||
Console.WriteLine("Dog Eat.");
|
||||
}
|
||||
|
||||
public override void Sleep()
|
||||
{
|
||||
Console.WriteLine("Dog Sleep.");
|
||||
}
|
||||
|
||||
public void Run()
|
||||
{
|
||||
Console.WriteLine("Dog Run.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Fish : Animal
|
||||
{
|
||||
public override void Eat()
|
||||
{
|
||||
Console.WriteLine("Fish Eat.");
|
||||
}
|
||||
|
||||
public override void Sleep()
|
||||
{
|
||||
Console.WriteLine("Fish Sleep.");
|
||||
}
|
||||
|
||||
public void Swim()
|
||||
{
|
||||
Console.WriteLine("Fish Swim.");
|
||||
}
|
||||
}
|
||||
|
||||
public class Raiser
|
||||
{
|
||||
public void Raise(Animal al)
|
||||
{
|
||||
al.Eat();
|
||||
al.Sleep();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
class Program
|
||||
{
|
||||
static void Main(string[] args)
|
||||
{
|
||||
Raiser rsr = new Raiser();
|
||||
rsr.Raise(new Dog());
|
||||
// Dog Eat.
|
||||
// Dog Sleep.
|
||||
rsr.Raise(new Bird());
|
||||
// Bird Eat.
|
||||
// Bird Sleep.
|
||||
rsr.Raise(new Fish());
|
||||
// Fish Eat.
|
||||
// Fish Sleep.
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
|
||||
|
||||
# 09 栈与递归
|
||||
# 03 栈与递归
|
||||
|
||||
**知识结构：**
|
||||
|
||||
@@ -16,7 +16,7 @@
|
||||
|
||||
插入（入栈）和删除（出栈）操作只能在一端（栈顶）进行的线性表。即先进后出（First In Last Out）的线性表。
|
||||
|
||||
例1 ：线性表`$(a_0,a_1,?,a_{n-1)}$`进栈与出栈演示。
|
||||
例1 ：线性表 $(a_0,a_1,?,a_{n-1)}$ 进栈与出栈演示。
|
||||
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -1,5 +1,5 @@
|
||||
|
||||
# 10 队列与多线程
|
||||
# 04 队列与多线程
|
||||
|
||||
**知识结构：**
|
||||
|
||||
@@ -1,791 +0,0 @@
|
||||
|
||||
# Leetcodeͬ<65><CDAC><EFBFBD><EFBFBD>ϰ<EFBFBD><CFB0>һ<EFBFBD><D2BB>
|
||||
|
||||
## <20><>Ŀ01<30><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>1
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/two-sum/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `nums` <20><>һ<EFBFBD><D2BB>Ŀ<EFBFBD><C4BF>ֵ `target`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD>ΪĿ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <b><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></b><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±ꡣ
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧһ<EFBFBD><EFBFBD><EFBFBD>𰸡<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD>㲻<EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
|
||||
**ʾ<><CABE>1:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [2, 7, 11, 15], target = 9
|
||||
|
||||
<EFBFBD><EFBFBD>Ϊ nums[0] + nums[1] = 2 + 7 = 9<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD><EFBFBD> [0, 1]
|
||||
```
|
||||
|
||||
**ʾ<><CABE>2<EFBFBD><32>**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [230, 863, 916, 585, 981, 404, 316, 785, 88, 12, 70, 435, 384, 778, 887, 755, 740, 337, 86, 92, 325, 422, 815, 650, 920, 125, 277, 336, 221, 847, 168, 23, 677, 61, 400, 136, 874, 363, 394, 199, 863, 997, 794, 587, 124, 321, 212, 957, 764, 173, 314, 422, 927, 783, 930, 282, 306, 506, 44, 926, 691, 568, 68, 730, 933, 737, 531, 180, 414, 751, 28, 546, 60, 371, 493, 370, 527, 387, 43, 541, 13, 457, 328, 227, 652, 365, 430, 803, 59, 858, 538, 427, 583, 368, 375, 173, 809, 896, 370, 789], target = 542
|
||||
|
||||
<EFBFBD><EFBFBD>Ϊ nums[28] + nums[45] = 221 + 321 = 542<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD><EFBFBD> [28, 45]
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD>ƥ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>432 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 65.82% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>30.8 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 8.67% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int[] TwoSum(int[] nums, int target)
|
||||
{
|
||||
int[] result = new int[2];
|
||||
for (int i = 0; i < nums.Length - 1; i++)
|
||||
{
|
||||
int find = target - nums[i];
|
||||
for (int j = i + 1; j < nums.Length; j++)
|
||||
{
|
||||
if (find == nums[j])
|
||||
{
|
||||
result[0] = i;
|
||||
result[1] = j;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ02<30><32>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ظ<EFBFBD><D8B8><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>26
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> **<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA> **ԭ<><D4AD>** ɾ<><C9BE><EFBFBD>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD>ֵ<EFBFBD>Ԫ<EFBFBD>أ<EFBFBD>ʹ<EFBFBD><CAB9>ÿ<EFBFBD><C3BF>Ԫ<EFBFBD><D4AA>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>һ<EFBFBD>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><C2B3>ȡ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>Ҫʹ<EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> **ԭ<><D4AD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>** <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> O(1) <20><><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [1,1,2],
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µij<EFBFBD><EFBFBD><EFBFBD> 2, <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD>Ϊ 1, 2<EFBFBD><EFBFBD>
|
||||
<EFBFBD>㲻<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [0,0,1,1,1,2,2,3,3,4],
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µij<EFBFBD><EFBFBD><EFBFBD> 5, <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD>Ϊ 0, 1, 2, 3, 4<EFBFBD><EFBFBD>
|
||||
<EFBFBD>㲻<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
```
|
||||
|
||||
<b>˵<><CBB5></b>:
|
||||
|
||||
Ϊʲô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
|
||||
|
||||
<EFBFBD><EFBFBD>ע<EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԡ<EFBFBD>**<2A><><EFBFBD><EFBFBD>**<2A><><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ݵģ<DDB5><C4A3><EFBFBD><EFBFBD><EFBFBD>ζ<EFBFBD><CEB6><EFBFBD>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿɼ<C7BF><C9BC>ġ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
|
||||
```c
|
||||
// nums <20><><EFBFBD>ԡ<EFBFBD><D4A1><EFBFBD><EFBFBD>á<EFBFBD><C3A1><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ݵġ<DDB5>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD>κο<CEBA><CEBF><EFBFBD>
|
||||
int len = removeDuplicates(nums);
|
||||
|
||||
// <20>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿɼ<C7BF><C9BC>ġ<EFBFBD>
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>صij<D8B5><C4B3><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>иó<D0B8><C3B3>ȷ<EFBFBD>Χ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
for (int i = 0; i < len; i++) {
|
||||
print(nums[i]);
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD>˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`j`<EFBFBD><EFBFBD>`i`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums[j] == nums[i]`ʱ<EFBFBD><EFBFBD>`j++`<EFBFBD>Ϳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`i++`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums[i] = nums[j]`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ƹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>е<EFBFBD>ĩβ<EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD>ʱ<EFBFBD>临<EFBFBD>Ӷ<EFBFBD>Ϊ`O(n)`<EFBFBD><EFBFBD>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>300 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 64.43% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>33.5 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.48% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int RemoveDuplicates(int[] nums)
|
||||
{
|
||||
if (nums.Length < 2)
|
||||
return nums.Length;
|
||||
|
||||
int i = 0;
|
||||
for (int j = 1; j < nums.Length; j++)
|
||||
{
|
||||
if (nums[j] != nums[i])
|
||||
{
|
||||
i++;
|
||||
nums[i] = nums[j];
|
||||
}
|
||||
}
|
||||
return i + 1;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ03<30><33><EFBFBD>Ƴ<EFBFBD>Ԫ<EFBFBD><D4AA>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>27
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/remove-element/
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ֵ`val`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ**ԭ<><D4AD>**<2A>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>`val`<EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>Ҫʹ<EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ䣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**ԭ<><D4AD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> O(1) <20><><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
|
||||
|
||||
Ԫ<EFBFBD>ص<EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ըı䡣<EFBFBD>㲻<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
|
||||
**ʾ<><CABE> 1:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [3,2,2,3], val = 3,
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µij<EFBFBD><EFBFBD><EFBFBD> 2, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums <EFBFBD>е<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ؾ<EFBFBD>Ϊ 2<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD>㲻<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 2:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [0,1,2,2,3,0,4,2], val = 2,
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µij<EFBFBD><EFBFBD><EFBFBD> 5, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums <EFBFBD>е<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>Ϊ 0, 1, 3, 0, 4<EFBFBD><EFBFBD>
|
||||
|
||||
ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ؿ<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD>㲻<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD>³<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 3:**
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺[] value = 0
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 4:**
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺[1] value = 1
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 5:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺[4,5] value = 5
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
|
||||
```
|
||||
|
||||
|
||||
|
||||
**˵<EFBFBD><EFBFBD>:**
|
||||
|
||||
Ϊʲô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
|
||||
|
||||
<EFBFBD><EFBFBD>ע<EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԡ<EFBFBD>**<2A><><EFBFBD><EFBFBD>**<2A><><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ݵģ<DDB5><C4A3><EFBFBD><EFBFBD><EFBFBD>ζ<EFBFBD><CEB6><EFBFBD>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿɼ<C7BF><C9BC>ġ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
|
||||
```c
|
||||
// nums <20><><EFBFBD>ԡ<EFBFBD><D4A1><EFBFBD><EFBFBD>á<EFBFBD><C3A1><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ݵġ<DDB5>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD>κο<CEBA><CEBF><EFBFBD>
|
||||
int len = removeElement(nums, val);
|
||||
|
||||
// <20>ں<EFBFBD><DABA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿɼ<C7BF><C9BC>ġ<EFBFBD>
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>صij<D8B5><C4B3><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>иó<D0B8><C3B3>ȷ<EFBFBD>Χ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
for (int i = 0; i < len; i++) {
|
||||
print(nums[i]);
|
||||
}
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD>˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`i`<EFBFBD><EFBFBD>`j`<EFBFBD><EFBFBD>`i`Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϻ<EFBFBD><EFBFBD><EFBFBD>`j`Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>塣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums[j]!=val`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`num[j]`<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`num[i]`<EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`i`ָ<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD>ﵽ<EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD>Ԫ<EFBFBD>ص<EFBFBD>Ŀ<EFBFBD>ģ<EFBFBD>ʱ<EFBFBD>临<EFBFBD>Ӷ<EFBFBD>Ϊ `O(n)`<EFBFBD><EFBFBD>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>272 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 94.41% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>29.9 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.21% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int RemoveElement(int[] nums, int val)
|
||||
{
|
||||
int i = 0;
|
||||
for (int j = 0; j < nums.Length; j++)
|
||||
{
|
||||
if (nums[j] != val)
|
||||
{
|
||||
nums[i] = nums[j];
|
||||
i++;
|
||||
}
|
||||
}
|
||||
return i;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ04<30><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>53
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/maximum-subarray/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٰ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [-2,1,-3,4,-1,2,1,-5,4],
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 6
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [4,-1,2,1] <EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 6<EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [-2,1],
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1
|
||||
```
|
||||
|
||||
<b><3E><><EFBFBD><EFBFBD></b>:
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>ʵ<EFBFBD>ָ<EFBFBD><EFBFBD>Ӷ<EFBFBD>Ϊ`O(n)`<EFBFBD>Ľⷨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ø<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD>η<EFBFBD><EFBFBD><EFBFBD><EFBFBD>⡣
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 596 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 14.18% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24.5 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.88% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public int MaxSubArray(int[] nums) {
|
||||
int len = nums.Length;
|
||||
if (len == 0)
|
||||
return 0;
|
||||
if (len == 1)
|
||||
return nums[0];
|
||||
int max = int.MinValue;
|
||||
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
int sum = nums[i];
|
||||
if (sum > max)
|
||||
{
|
||||
max = sum;
|
||||
}
|
||||
for (int j = i + 1; j < len; j++)
|
||||
{
|
||||
sum += nums[j];
|
||||
if (sum > max)
|
||||
{
|
||||
max = sum;
|
||||
}
|
||||
}
|
||||
}
|
||||
return max;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ05<30><35>ʢ<EFBFBD><CAA2><EFBFBD><EFBFBD>ˮ<EFBFBD><CBAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>11
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/container-with-most-water/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`a1<61><31>a2<61><32>...<2E><>an`<EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`(i, ai)`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ߣ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>`i` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>ֱ<EFBFBD>Ϊ`(i, ai)`<EFBFBD><EFBFBD>`(i, 0)`<EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`x`<EFBFBD>Ṳͬ<EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˮ<EFBFBD><EFBFBD>
|
||||
|
||||
<b>˵<><CBB5></b><3E><><EFBFBD>㲻<EFBFBD><E3B2BB><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 2<><32>
|
||||
|
||||
|
||||
|
||||
ͼ<EFBFBD>д<EFBFBD>ֱ<EFBFBD>ߴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [1,8,6,2,5,4,8,3,7]<5D><><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><DCB9><EFBFBD><EFBFBD><EFBFBD>ˮ<EFBFBD><CBAE><EFBFBD><EFBFBD>ʾΪ<CABE><CEAA>ɫ<EFBFBD><C9AB><EFBFBD>֣<EFBFBD><D6A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ 49<34><39>
|
||||
|
||||
<b>ʾ<><CABE></b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [1,8,6,2,5,4,8,3,7]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 49
|
||||
```
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>0-7<>ߵ<EFBFBD>1-7<><37>һ<EFBFBD><D2BB>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊʲô<CAB2><C3B4><EFBFBD><EFBFBD>0-6<><36>һ<EFBFBD><D2BB>֧<EFBFBD><D6A7>
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD>h(i)<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>i<EFBFBD><EFBFBD><EFBFBD>߶εĸ߶ȣ<EFBFBD>S(ij)<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>i<EFBFBD><EFBFBD><EFBFBD>߶κ͵<EFBFBD>j<EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>Ȧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>֪ h(0) < h(7)<EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD>S(07) = h(0) * 7<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>S(06) = min(h(0), h(6)) * 6<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>h(0) <= h(6)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>S(06) = h(0) * 6<EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD>h(0) > h(6)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>S(06) = h(6) * 6<EFBFBD><EFBFBD>S(06) < h(0) * 6<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD>ɴ˿<EFBFBD>֪<EFBFBD><EFBFBD>S(06)<EFBFBD><EFBFBD>ȻС<EFBFBD><EFBFBD>S(07)<EFBFBD><EFBFBD>
|
||||
```
|
||||
<EFBFBD><EFBFBD>ÿһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- 50 / 50 <20><>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 144 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 99.64% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 26.6 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.45% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int MaxArea(int[] height)
|
||||
{
|
||||
int i = 0, j = height.Length - 1;
|
||||
int max = int.MinValue;
|
||||
while (i < j)
|
||||
{
|
||||
int temp = (j - i) * Math.Min(height[i], height[j]);
|
||||
if (temp > max)
|
||||
{
|
||||
max = temp;
|
||||
}
|
||||
if (height[i] < height[j])
|
||||
{
|
||||
i++;
|
||||
}
|
||||
else
|
||||
{
|
||||
j--;
|
||||
}
|
||||
}
|
||||
return max;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ06<30><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>33
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/search-in-rotated-sorted-array/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>谴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><EFBFBD>δ֪<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>
|
||||
|
||||
( <20><><EFBFBD>磬<EFBFBD><E7A3AC><EFBFBD><EFBFBD> [0,1,2,4,5,6,7] <20><><EFBFBD>ܱ<EFBFBD>Ϊ [4,5,6,7,0,1,2] )<29><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> -1 <20><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨ʱ<EFBFBD>临<EFBFBD>Ӷȱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`O(log n)`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: nums = [4,5,6,7,0,1,2], target = 0
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: nums = [4,5,6,7,0,1,2], target = 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: -1
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 3</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: nums = [5,1,3], target = 5
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 0
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 4</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: nums = [4,5,6,7,8,1,2,3], target = 8
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 5</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: nums = [3,1], target = 1
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 128 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.17% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 23.8 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 12.00% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int Search(int[] nums, int target)
|
||||
{
|
||||
int i = 0, j = nums.Length - 1;
|
||||
while (i <= j)
|
||||
{
|
||||
int mid = (i + j) / 2;
|
||||
if (nums[mid] == target)
|
||||
return mid;
|
||||
|
||||
if (nums[mid] >= nums[i])
|
||||
{
|
||||
//<2F><><EFBFBD>벿<EFBFBD><EBB2BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
if (target > nums[mid])
|
||||
{
|
||||
i = mid + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (target == nums[i])
|
||||
return i;
|
||||
|
||||
if (target > nums[i])
|
||||
j = mid - 1;
|
||||
else
|
||||
i = mid + 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (target < nums[mid])
|
||||
{
|
||||
j = mid - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (target == nums[j])
|
||||
return j;
|
||||
if (target < nums[j])
|
||||
i = mid + 1;
|
||||
else
|
||||
j = mid - 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ07<30><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĵ<D0B5>K<EFBFBD><4B><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>215
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/kth-largest-element-in-an-array/
|
||||
|
||||
<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD> `k` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ء<EFBFBD><D8A1><EFBFBD>ע<EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD>Ҫ<EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD> `k` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD> `k` <20><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [3,2,1,5,6,4] <EFBFBD><EFBFBD> k = 2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 5
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [3,2,3,1,2,4,5,5,6] <EFBFBD><EFBFBD> k = 4
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4
|
||||
```
|
||||
|
||||
<b>˵<><CBB5></b>:
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD> `k` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD> `1 <20><> k <20><> <20><><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><C4B3><EFBFBD>`<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 152 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 76.47% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24.6 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.55% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int FindKthLargest(int[] nums, int k)
|
||||
{
|
||||
nums = nums.OrderBy(a => a).ToArray();
|
||||
return nums[nums.Length - k];
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ08<30><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij˻<C4B3>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>238
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/product-of-array-except-self/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n > 1`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`output`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`output[i]`<EFBFBD><EFBFBD><EFBFBD><EFBFBD> `nums`<EFBFBD>г<EFBFBD>`nums[i]`֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>صij˻<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE></b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [1,2,3,4]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [24,12,8,6]
|
||||
```
|
||||
|
||||
<b>˵<><CBB5></b>: <20>벻Ҫʹ<D2AA>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`O(n)` ʱ<>临<EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɴ<EFBFBD><C9B4>⡣
|
||||
|
||||
<b><3E><><EFBFBD><EFBFBD></b><3E><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ临<EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>𣿣<EFBFBD> <20><><EFBFBD>ڶԿռ临<D5BC>Ӷȷ<D3B6><C8B7><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鲻<EFBFBD><E9B2BB><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ռ䡣<D5BC><E4A1A3>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD> = <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ߵij˻<C4B3> * <20><>ǰ<EFBFBD><C7B0><EFBFBD>ұߵij˻<C4B3>
|
||||
|
||||
```c
|
||||
[1, 2, 3, 4]
|
||||
<EFBFBD><EFBFBD><EFBFBD>ߵij˻<EFBFBD> [1, 1, 2, 6]
|
||||
<EFBFBD>ұߵij˻<EFBFBD> [24,12,4, 1]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> = <EFBFBD><EFBFBD>*<EFBFBD><EFBFBD> [24,12,8, 6]
|
||||
```
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 304 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 34.6 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int[] ProductExceptSelf(int[] nums)
|
||||
{
|
||||
int len = nums.Length;
|
||||
int[] output1 = new int[len];//<2F><><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD>
|
||||
int[] output2 = new int[len];//<2F><><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD>
|
||||
output1[0] = 1;
|
||||
output2[len - 1] = 1;
|
||||
for (int i = 1; i < len; i++)
|
||||
{
|
||||
output1[i] = output1[i - 1]*nums[i - 1];
|
||||
output2[len - i - 1] = output2[len - i]*nums[len - i];
|
||||
}
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
output1[i] *= output2[i];
|
||||
}
|
||||
return output1;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ09<30><39>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>4
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/median-of-two-sorted-arrays/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>СΪ`m`<EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums1`<EFBFBD><EFBFBD>`nums2`<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>ʱ<EFBFBD>临<EFBFBD>Ӷ<EFBFBD>Ϊ`O(log(m + n))`<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>`nums1`<EFBFBD><EFBFBD>`nums2`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱΪ<EFBFBD>ա<EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
nums1 = [1, 3]
|
||||
nums2 = [2]
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2.0
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
|
||||
```c
|
||||
nums1 = [1, 2]
|
||||
nums2 = [3, 4]
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> (2 + 3)/2 = 2.5
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD>ԡ<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϻ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><EFBFBD>Ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ӽ<EFBFBD><EFBFBD>е<EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ӽ<EFBFBD><EFBFBD>е<EFBFBD>Ԫ<EFBFBD>ء<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĿҪ<EFBFBD><EFBFBD>ʱ<EFBFBD>临<EFBFBD>Ӷ<EFBFBD>Ϊ`O(log(m + n))`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD>ܴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD> `O(m + n)`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD>ԣ<EFBFBD>ͨ<EFBFBD><EFBFBD>ÿ<EFBFBD>αȽϣ<EFBFBD><EFBFBD>ܹ<EFBFBD>ֱ<EFBFBD>Ӱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD>`O(log(m + n))`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
nums1: [a1,a2,a3,...am]
|
||||
nums2: [b1,b2,b3,...bn]
|
||||
|
||||
[nums1[:i],nums2[:j] | nums1[i:], nums2[j:]]
|
||||
|
||||
nums1 ȡ i <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
nums2 ȡ j = (m+n+1)/2 - i <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
ֻҪ<EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <b><3E><><EFBFBD><EFBFBD></b> <20><>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> `|` <20><><EFBFBD><EFBFBD><EFBFBD>߽<EFBFBD><DFBD>Ա߲<D4B1><DFB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD><C3B6>ַ<EFBFBD><D6B7>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD>ʵ<EFBFBD>`i`<EFBFBD><EFBFBD>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 160 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 99.18% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 26.8 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.05% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public double FindMedianSortedArrays(int[] nums1, int[] nums2) {
|
||||
int m = nums1.Length;
|
||||
int n = nums2.Length;
|
||||
if (m > n)
|
||||
return FindMedianSortedArrays(nums2, nums1);
|
||||
|
||||
int k = (m + n + 1)/2;
|
||||
int left = 0;
|
||||
int right = m;
|
||||
while (left < right)
|
||||
{
|
||||
int i = (left + right)/2;
|
||||
int j = k - i;
|
||||
if (nums1[i] < nums2[j - 1])
|
||||
left = i + 1;
|
||||
else
|
||||
right = i;
|
||||
}
|
||||
int m1 = left;
|
||||
int m2 = k - left;
|
||||
int c1 = Math.Max(m1 == 0 ? int.MinValue : nums1[m1 - 1],
|
||||
m2 == 0 ? int.MinValue : nums2[m2 - 1]);
|
||||
|
||||
if ((m + n)%2 == 1)
|
||||
return c1;
|
||||
|
||||
int c2 = Math.Min(m1 == m ? int.MaxValue : nums1[m1],
|
||||
m2 == n ? int.MaxValue : nums2[m2]);
|
||||
return (c1 + c2)*0.5;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ10<31><30>ȱʧ<C8B1>ĵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>41
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/first-missing-positive/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>г<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE>1</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [1,2,0]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 3
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE>2</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [3,4,-1,1]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 2
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE>3</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [7,8,9,11,12]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE>4</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [1,1]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 2
|
||||
```
|
||||
|
||||
<b>ʵ<><CAB5>5</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: []
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1
|
||||
```
|
||||
|
||||
<b>˵<><CBB5></b>:
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD>ʱ<EFBFBD>临<EFBFBD>Ӷ<EFBFBD>ӦΪO(n)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ʹ<EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀռ䡣
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>Ρ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`i`<EFBFBD><EFBFBD><EFBFBD>ڡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䷶Χ<EFBFBD><EFBFBD><EFBFBD>`i`<EFBFBD><EFBFBD>Ӧ<EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ`i - 1`<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ϡ<EFBFBD>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>100 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 93.75% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>24.2 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.44% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public int FirstMissingPositive(int[] nums) {
|
||||
int len = nums.Length;
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
while (nums[i] != i + 1 && nums[i] <= len && nums[i] > 0 && nums[i] != nums[nums[i] - 1])
|
||||
{
|
||||
int temp = nums[i];
|
||||
nums[i] = nums[temp - 1];
|
||||
nums[temp - 1] = temp;
|
||||
}
|
||||
}
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
if (nums[i] != i + 1)
|
||||
{
|
||||
return i + 1;
|
||||
}
|
||||
}
|
||||
return len + 1; //nums.Length = 0
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
# 12 数组与稀疏矩阵
|
||||
# 05 数组与稀疏矩阵
|
||||
|
||||
**知识结构：**
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
# 13 字符串与整数集合
|
||||
# 06 字符串与整数集合
|
||||
|
||||
**知识点：**
|
||||
|
||||
@@ -1,759 +0,0 @@
|
||||
|
||||
# Leetcodeͬ<65><CDAC><EFBFBD><EFBFBD>ϰ<EFBFBD><CFB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
## <20><>Ŀ01<30><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>9
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/palindrome-number/
|
||||
|
||||
<EFBFBD>ж<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ǻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ң<EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 121
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: true
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: -121
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: false
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҷ<EFBFBD>, Ϊ -121 <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, Ϊ 121- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 3</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 10
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: false
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, Ϊ 01 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
**<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public bool IsPalindrome(int x)
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
<b><3E><><EFBFBD><EFBFBD></b>:
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ܲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>תΪ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 76 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 98.90% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 14.9 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 85.12% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public bool IsPalindrome(int x) {
|
||||
if (x < 0)
|
||||
return false;
|
||||
|
||||
int bit = 1;
|
||||
while (x / bit >= 10)
|
||||
{
|
||||
bit = bit * 10;
|
||||
}
|
||||
|
||||
while (x > 0)
|
||||
{
|
||||
int left = x % 10;
|
||||
int right = x / bit;
|
||||
if (left != right)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
x = (x % bit) / 10;
|
||||
bit = bit / 100;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ02<30><32>x <20><>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>69
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/sqrtx/
|
||||
|
||||
ʵ<EFBFBD><EFBFBD> `int sqrt(int x)` <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>㲢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`x`<EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`x`<EFBFBD>ǷǸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD>֣<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 2
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 8
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 2
|
||||
˵<EFBFBD><EFBFBD>: 8 <EFBFBD><EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2.82842..., <EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>ٵ<EFBFBD><D9B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 48 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 13.7 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.40% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public int MySqrt(int x) {
|
||||
if (x < 0)
|
||||
throw new ArgumentOutOfRangeException();
|
||||
|
||||
double error = 1.0e-5;
|
||||
double cur = x;
|
||||
while (Math.Abs(cur*cur - x) > error)
|
||||
{
|
||||
cur = (cur + 1.0*x/cur)/2.0;
|
||||
}
|
||||
return (int)cur;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ03<30><33><EFBFBD><EFBFBD>¥<EFBFBD><C2A5>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>70
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/climbing-stairs/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¥<EFBFBD>ݡ<EFBFBD><EFBFBD><EFBFBD>Ҫ n <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD>¥<EFBFBD><C2A5><EFBFBD><EFBFBD>
|
||||
|
||||
ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20><> 2 <20><>̨<EFBFBD>ס<EFBFBD><D7A1><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ֲ<EFBFBD>ͬ<EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¥<EFBFBD><C2A5><EFBFBD>أ<EFBFBD>
|
||||
|
||||
<b>ע<><D7A2></b><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺 2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2
|
||||
<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¥<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
1. 1 <EFBFBD><EFBFBD> + 1 <EFBFBD><EFBFBD>
|
||||
2. 2 <EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 3
|
||||
<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¥<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
1. 1 <EFBFBD><EFBFBD> + 1 <EFBFBD><EFBFBD> + 1 <EFBFBD><EFBFBD>
|
||||
2. 1 <EFBFBD><EFBFBD> + 2 <EFBFBD><EFBFBD>
|
||||
3. 2 <EFBFBD><EFBFBD> + 1 <EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 3</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺 44
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1134903170
|
||||
```
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>
|
||||
- 1 <20>ף<EFBFBD>f(1) = 1 <20>ַ<EFBFBD><D6B7><EFBFBD>
|
||||
- 2 <20>ף<EFBFBD>f(2) = 2 <20>ַ<EFBFBD><D6B7><EFBFBD>
|
||||
- 3 <20>ף<EFBFBD>f(3) = 3 <20>ַ<EFBFBD><D6B7><EFBFBD>
|
||||
- 4 <20>ף<EFBFBD>f(4) = 5 <20>ַ<EFBFBD><D6B7><EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD>
|
||||
- n <20>ף<EFBFBD>f(n) = f(n-1) + f(n-2) <20>ַ<EFBFBD><D6B7><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>Ϊ쳲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⡣
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 52 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.87% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 13.7 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.98% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution {
|
||||
public int ClimbStairs(int n) {
|
||||
if (n <= 2)
|
||||
return n;
|
||||
|
||||
int first = 1;
|
||||
int second = 2;
|
||||
int result = 0;
|
||||
|
||||
for (int i = 3; i <= n; i++)
|
||||
{
|
||||
result = first + second;
|
||||
first = second;
|
||||
second = result;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ04<30><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><C6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>121
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD> i <20><>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>һ֧<D2BB><D6A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><C6B1> i <20><><EFBFBD>ļ۸<C4BC><DBB8><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ʽ<EFBFBD><EFBFBD>ף<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ֧<EFBFBD><EFBFBD>Ʊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
ע<EFBFBD><EFBFBD><EFBFBD>㲻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [7,1,5,3,6,4]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 5
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD>ڵ<EFBFBD> 2 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD>ڵ<EFBFBD> 5 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 6<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> = 6-1 = 5 <EFBFBD><EFBFBD>
|
||||
ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 7-1 = 6, <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۸<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۸<EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [7,6,4,3,1]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 0
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, û<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 0<EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD>Ʊ<EFBFBD><C6B1><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><D7AC><EFBFBD><EFBFBD>Ǯ<EFBFBD><C7AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 132 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.33% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.62% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int MaxProfit(int[] prices)
|
||||
{
|
||||
if (prices.Length <= 1)
|
||||
return 0;
|
||||
|
||||
int min = prices[0];
|
||||
int max = 0;
|
||||
for (int i = 1; i < prices.Length; i++)
|
||||
{
|
||||
int earn = prices[i] - min;
|
||||
if (earn > max)
|
||||
{
|
||||
max = earn;
|
||||
}
|
||||
if (prices[i] < min)
|
||||
{
|
||||
min = prices[i];
|
||||
}
|
||||
}
|
||||
return max;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ05<30><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><C6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> II
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>122
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD> i <20><>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>һ֧<D2BB><D6A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><C6B1> i <20><><EFBFBD>ļ۸<C4BC><DBB8><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ծ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD>ף<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ֧<EFBFBD><EFBFBD>Ʊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ע<><D7A2></b><3E><><EFBFBD>㲻<EFBFBD><E3B2BB>ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>ף<EFBFBD><D7A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴι<D9B4><CEB9><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD>۵<EFBFBD>֮ǰ<D6AE>Ĺ<EFBFBD>Ʊ<EFBFBD><C6B1><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [7,1,5,3,6,4]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 7
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
<EFBFBD>ڵ<EFBFBD> 2 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD>ڵ<EFBFBD> 3 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> = 5-1 = 4 <EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> 4 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 3<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD>ڵ<EFBFBD> 5 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 6<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> = 6-3 = 3 <EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [1,2,3,4,5]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
<EFBFBD>ڵ<EFBFBD> 1 <EFBFBD>죨<EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD>ڵ<EFBFBD> 5 <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD>۸<EFBFBD> = 5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> = 5-1 = 4 <EFBFBD><EFBFBD>
|
||||
ע<EFBFBD><EFBFBD><EFBFBD>㲻<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD> 2 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ף<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴι<EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>۵<EFBFBD>֮ǰ<EFBFBD>Ĺ<EFBFBD>Ʊ<EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 3</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [7,6,4,3,1]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 0
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, û<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 0<EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
**˼·**<2A><>̰<EFBFBD><CCB0><EFBFBD>㷨
|
||||
|
||||
̰<EFBFBD>IJ<EFBFBD><EFBFBD>ԣ<EFBFBD>ֻҪ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>۸<EFBFBD><EFBFBD><EFBFBD>ǰһ<EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 140 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 72.02% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24.2 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.36% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int MaxProfit(int[] prices)
|
||||
{
|
||||
int earn = 0;
|
||||
for (int i = 0; i < prices.Length-1; i++)
|
||||
{
|
||||
earn += Math.Max(prices[i + 1] - prices[i], 0);
|
||||
}
|
||||
return earn;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ06<30><36><EFBFBD><EFBFBD>Ծ<EFBFBD><D4BE>Ϸ
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>55
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/jump-game/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>һ<EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ÿ<EFBFBD><EFBFBD>Ԫ<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD>λ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ծ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>
|
||||
|
||||
<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD>
|
||||
|
||||
**ʾ<><CABE> 1:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [2,3,1,1,4]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: true
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD> 0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD> λ<EFBFBD><EFBFBD> 1, Ȼ<EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD>λ<EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD> 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD>
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 2:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [3,2,1,0,4]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: false
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻᵽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 3 <EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ծ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0<EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD>
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 3:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺[0]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>true
|
||||
```
|
||||
|
||||
**˼·<EFBFBD><EFBFBD>̰<EFBFBD><EFBFBD><EFBFBD>㷨**
|
||||
|
||||
̰<EFBFBD>IJ<EFBFBD><EFBFBD>ԣ<EFBFBD>ÿ<EFBFBD>μ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>㳬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>false<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>ﵽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>λ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>true<EFBFBD><EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>120 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 57.32% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>26.2 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 6.67% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public bool CanJump(int[] nums)
|
||||
{
|
||||
int maxlength = 0; //<2F><>¼<EFBFBD><C2BC><EFBFBD>ܵ<EFBFBD><DCB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6>
|
||||
for (int i = 0; maxlength < nums.Length-1; i++)
|
||||
{
|
||||
if (i > maxlength)
|
||||
{
|
||||
return false;//<2F><><EFBFBD>˵<EFBFBD><CBB5>Ѳ<EFBFBD><D1B2>ܵ<EFBFBD><DCB5><EFBFBD><EFA3AC><EFBFBD><EFBFBD>false
|
||||
}
|
||||
maxlength = Math.Max(i + nums[i], maxlength);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ07<30><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>15
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/3sum/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>`nums`<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>`a<><61>b<EFBFBD><62>c`<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>`a + b + c = 0`<EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>顣
|
||||
|
||||
ע<EFBFBD>⣺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>顣
|
||||
|
||||
**ʾ<><CABE><EFBFBD><EFBFBD>**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [-1, 0, 1, 2, -1, -4]<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>鼯<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
|
||||
[
|
||||
[-1, 0, 1],
|
||||
[-1, -1, 2]
|
||||
]
|
||||
```
|
||||
|
||||
|
||||
|
||||
**˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> + <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>**
|
||||
|
||||
Ϊ<EFBFBD>˱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>Ч<EFBFBD>ʡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD>̶<EFBFBD>3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`i,l(left),r(right)`<EFBFBD><EFBFBD>`i`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`l`ָ<EFBFBD><EFBFBD>`nums[i]`֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Сֵ<EFBFBD><EFBFBD>`r`ָ<EFBFBD><EFBFBD>`nums[i]`֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>ģ<EFBFBD>¿<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˼·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums[i] > 0`<EFBFBD>Ͳ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums[i] + nums[l] + nums[r]`<EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㲢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD>`l`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>`r`ָ<EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD>`r`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>`l`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽<EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>result<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>鲻<EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD>еĹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD>ؾͺá<EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>348 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 99.54% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>35.8 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 6.63% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public IList<IList<int>> ThreeSum(int[] nums)
|
||||
{
|
||||
IList<IList<int>> result = new List<IList<int>>();
|
||||
|
||||
nums = nums.OrderBy(a => a).ToArray();
|
||||
int len = nums.Length;
|
||||
|
||||
for (int i = 0; i < len - 2; i++)
|
||||
{
|
||||
if (nums[i] > 0)
|
||||
break; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD>0, <20><><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD>Ѿ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
if (i > 0 && nums[i - 1] == nums[i])
|
||||
continue; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD>е<EFBFBD>һ<EFBFBD><D2BB>Ԫ<EFBFBD>ص<EFBFBD><D8B5>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
int l = i + 1;
|
||||
int r = len - 1;
|
||||
|
||||
while (l < r)
|
||||
{
|
||||
int sum = nums[i] + nums[l] + nums[r];
|
||||
if (sum < 0)
|
||||
{
|
||||
l++;
|
||||
}
|
||||
else if (sum > 0)
|
||||
{
|
||||
r--;
|
||||
}
|
||||
else
|
||||
{
|
||||
result.Add(new List<int>() {nums[i], nums[l], nums[r]});
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD>еڶ<D0B5><DAB6><EFBFBD>Ԫ<EFBFBD>ص<EFBFBD><D8B5>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD>
|
||||
while (l < r && nums[l] == nums[l + 1])
|
||||
{
|
||||
l++;
|
||||
}
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ص<EFBFBD><D8B5>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD>
|
||||
while (l < r && nums[r - 1] == nums[r])
|
||||
{
|
||||
r--;
|
||||
}
|
||||
l++;
|
||||
r--;
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ08<30><38><EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>16
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/3sum-closest/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`nums`<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>ֵ`target`<EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD>`nums`<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵĺ<EFBFBD><EFBFBD><EFBFBD>`target`<EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ͡<EFBFBD><EFBFBD>ٶ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ<EFBFBD>𰸡<EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE></b> :
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>磬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> nums = [-1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>-4], <EFBFBD><EFBFBD> target = 1.
|
||||
<EFBFBD><EFBFBD> target <EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD>Ϊ 2. (-1 + 2 + 1 = 2).
|
||||
```
|
||||
|
||||
|
||||
<b>˼·<CBBC><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> + <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ķ<EFBFBD><C4B7><EFBFBD></b>
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 132 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.55% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int ThreeSumClosest(int[] nums, int target)
|
||||
{
|
||||
nums = nums.OrderBy(a => a).ToArray();
|
||||
int result = nums[0] + nums[1] + nums[2];
|
||||
for (int i = 0; i < nums.Length - 2; i++)
|
||||
{
|
||||
int start = i + 1, end = nums.Length - 1;
|
||||
while (start < end)
|
||||
{
|
||||
int sum = nums[start] + nums[end] + nums[i];
|
||||
if (Math.Abs(target - sum) < Math.Abs(target - result))
|
||||
result = sum;
|
||||
if (sum > target)
|
||||
end--;
|
||||
else if (sum < target)
|
||||
start++;
|
||||
else
|
||||
return result;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ09<30><39><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> II
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>59
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/spiral-matrix-ii/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n<><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20><> n^2 <20><><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><D8A3><EFBFBD>Ԫ<EFBFBD>ذ<EFBFBD>˳ʱ<CBB3><CAB1>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ξ<EFBFBD><CEBE><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE></b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
[
|
||||
[ 1, 2, 3 ],
|
||||
[ 8, 9, 4 ],
|
||||
[ 7, 6, 5 ]
|
||||
]
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 296 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.67% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 25 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 11.11% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int[][] GenerateMatrix(int n)
|
||||
{
|
||||
int[][] matrix = new int[n][];
|
||||
for (int i = 0; i < n; i++)
|
||||
{
|
||||
matrix[i] = new int[n];
|
||||
}
|
||||
|
||||
int start = 0;//<2F><>ʼλ<CABC><CEBB>
|
||||
int end1 = n - 1;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
|
||||
int end2 = n - 1;//<2F><><EFBFBD>±<EFBFBD>λ<EFBFBD><CEBB>
|
||||
int count = 1;
|
||||
|
||||
while (start < end1 && start < end2)
|
||||
{
|
||||
LeftToRight(start, end1, start, matrix, ref count);
|
||||
TopToBottom(start + 1, end2, end1, matrix, ref count);
|
||||
RightToLeft(end1 - 1, start, end2, matrix, ref count);
|
||||
BottomToTop(end2 - 1, start + 1, start, matrix, ref count);
|
||||
start++;
|
||||
end1 = n - 1 - start;
|
||||
end2 = n - 1 - start;
|
||||
}
|
||||
if (n%2 == 1)
|
||||
{
|
||||
matrix[start][start] = count;
|
||||
}
|
||||
return matrix;
|
||||
}
|
||||
|
||||
private void LeftToRight(int start, int end, int rowIndex, int[][] matrix, ref int from)
|
||||
{
|
||||
for (int i = start; i <= end; i++)
|
||||
{
|
||||
matrix[rowIndex][i] = from;
|
||||
from++;
|
||||
}
|
||||
}
|
||||
|
||||
private void TopToBottom(int start, int end, int colIndex, int[][] matrix, ref int from)
|
||||
{
|
||||
for (int i = start; i <= end; i++)
|
||||
{
|
||||
matrix[i][colIndex] = from;
|
||||
from++;
|
||||
}
|
||||
}
|
||||
|
||||
private void RightToLeft(int start, int end, int rowIndex, int[][] matrix, ref int from)
|
||||
{
|
||||
for (int i = start; i >= end; i--)
|
||||
{
|
||||
matrix[rowIndex][i] = from;
|
||||
from++;
|
||||
}
|
||||
}
|
||||
|
||||
private void BottomToTop(int start, int end, int colIndex, int[][] matrix, ref int from)
|
||||
{
|
||||
for (int i = start; i >= end; i--)
|
||||
{
|
||||
matrix[i][colIndex] = from;
|
||||
from++;
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
## <20><>Ŀ10<31><30><EFBFBD><EFBFBD>ͬ·<CDAC><C2B7>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>62
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/unique-paths/
|
||||
|
||||
һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> m x n <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD> <20><><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>б<EFBFBD><D0B1><EFBFBD>Ϊ<EFBFBD><CEAA>Start<72><74> <20><><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>ﵽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Finish<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>磬<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>7 x 3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>ٿ<EFBFBD><D9BF>ܵ<EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD>
|
||||
|
||||
<b>˵<><CBB5></b><3E><>m <20><> n <20><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 100<30><30>
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: m = 3, n = 2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻǿ<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD> 3 <EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½ǡ<EFBFBD>
|
||||
1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
3. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: m = 7, n = 3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 28
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 3</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: m = 23, n = 12
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 193536720
|
||||
```
|
||||
|
||||
<b>˼·<CBBC><C2B7></b><3E><><EFBFBD>ö<EFBFBD>̬<EFBFBD>滮<EFBFBD><E6BBAE>
|
||||
|
||||
<EFBFBD><EFBFBD>̬<EFBFBD>滮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>01<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>̬<EFBFBD>滮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>02<EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD>̬<EFBFBD>滮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽṹΪ<EFBFBD><EFBFBD>`d[i,j] = d[i-1,j] + d[i,j-1]`
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- 62 / 62 <20><>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 52 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 93.18% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 13.6 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 17.65% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
public class Solution
|
||||
{
|
||||
public int UniquePaths(int m, int n)
|
||||
{
|
||||
int[,] memo = new int[m, n];
|
||||
for (int i = 0; i < m; i++)
|
||||
{
|
||||
for (int j = 0; j < n; j++)
|
||||
{
|
||||
if (i == 0)
|
||||
{
|
||||
memo[i, j] = 1;
|
||||
}
|
||||
else if (j == 0)
|
||||
{
|
||||
memo[i, j] = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
memo[i, j] = memo[i - 1, j] + memo[i, j - 1];
|
||||
}
|
||||
}
|
||||
}
|
||||
return memo[m - 1, n - 1];
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
|
||||
# 15 树
|
||||
# 07 树
|
||||
|
||||
**知识结构：**
|
||||
|
||||
@@ -1,794 +0,0 @@
|
||||
|
||||
# Leetcodeͬ<65><CDAC><EFBFBD><EFBFBD>ϰ<EFBFBD><CFB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
## <20><>Ŀ01<30><31><EFBFBD>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>21
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/merge-two-sorted-lists/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD>Ϊһ<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ء<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>ƴ<EFBFBD>Ӹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɵġ<EFBFBD>
|
||||
|
||||
**ʾ<><CABE><EFBFBD><EFBFBD>**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺1->2->4, 1->3->4
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1->1->2->3->4->4
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>108 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 83.80% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>25.9 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.85% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
public class Solution
|
||||
{
|
||||
public ListNode MergeTwoLists(ListNode l1, ListNode l2)
|
||||
{
|
||||
ListNode pHead = new ListNode(int.MaxValue);
|
||||
ListNode temp = pHead;
|
||||
|
||||
while (l1 != null && l2 != null)
|
||||
{
|
||||
if (l1.val < l2.val)
|
||||
{
|
||||
temp.next = l1;
|
||||
l1 = l1.next;
|
||||
}
|
||||
else
|
||||
{
|
||||
temp.next = l2;
|
||||
l2 = l2.next;
|
||||
}
|
||||
temp = temp.next;
|
||||
}
|
||||
|
||||
if (l1 != null)
|
||||
temp.next = l1;
|
||||
|
||||
if (l2 != null)
|
||||
temp.next = l2;
|
||||
|
||||
return pHead.next;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ02<30><32>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ظ<EFBFBD>Ԫ<EFBFBD><D4AA>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>83
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/
|
||||
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD>ʹ<EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>Ρ<EFBFBD>
|
||||
|
||||
|
||||
**ʾ<><CABE> 1:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->1->2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->2
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 2:**
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->1->2->3->3
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->2->3
|
||||
```
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫ָ<CBAB><D6B8><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><CABD>
|
||||
|
||||
`p1`<EFBFBD><EFBFBD>Ϊǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>̽·<EFBFBD><EFBFBD>`p2`<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>Ԫ<EFBFBD>أ<EFBFBD>`p2.next`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>`p1`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>Ԫ<EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD>ժ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>160 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.23% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>25.9 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.72% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
|
||||
public class Solution
|
||||
{
|
||||
public ListNode DeleteDuplicates(ListNode head)
|
||||
{
|
||||
if (head == null)
|
||||
return head;
|
||||
|
||||
ListNode p1 = head.next;
|
||||
ListNode p2 = head;
|
||||
while (p1 != null)
|
||||
{
|
||||
if (p1.val == p2.val)
|
||||
p2.next = p1.next;
|
||||
else
|
||||
p2 = p2.next;
|
||||
p1 = p1.next;
|
||||
}
|
||||
return head;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ03<30><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>141
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/linked-list-cycle/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
Ϊ<EFBFBD>˱<EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`pos` <20><><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>β<EFBFBD><CEB2><EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>`pos`<EFBFBD><EFBFBD> -1<><31><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD><DAB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>л<EFBFBD><D0BB><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE> 1</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺head = [3,2,0,-4], pos = 1
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>true
|
||||
<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ㡣
|
||||
```
|
||||
|
||||
|
||||
|
||||
<b>ʾ<><CABE> 2</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺head = [1,2], pos = 0
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>true
|
||||
<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ڵ㡣
|
||||
```
|
||||
|
||||
|
||||
<b>ʾ<><CABE> 3</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺head = [1], pos = -1
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>false
|
||||
<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>
|
||||
```
|
||||
|
||||
|
||||
<b><3E><><EFBFBD><EFBFBD></b><3E><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> O(1)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫ָ<CBAB><D6B8><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><CABD>
|
||||
|
||||
ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>`Hash`<EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>˫ָ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> `p1` ÿ<><C3BF><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ㣬<DAB5>ڶ<EFBFBD><DAB6><EFBFBD>ָ<EFBFBD><D6B8> `p2` ÿ<><C3BF><EFBFBD>ƶ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ڵ㣬<DAB5><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><DABB>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ָ<EFBFBD><D6B8>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD>ָ<EFBFBD>룬<EFBFBD><EBA3AC>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><F2B2BBB4>ڻ<EFBFBD><DABB><EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>磺`head = [1,2,3,4,5]`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
p1<EFBFBD><EFBFBD>1 3 5 2 4 1
|
||||
p2<EFBFBD><EFBFBD>1 2 3 4 5 1
|
||||
```
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>磺`head = [1,2,3,4]`<EFBFBD><EFBFBD>ż<EFBFBD><EFBFBD>
|
||||
```c
|
||||
p1<EFBFBD><EFBFBD>1 3 1 3 1
|
||||
p2<EFBFBD><EFBFBD>1 2 3 4 1
|
||||
```
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 112 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 98.43% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24.9 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.13% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) {
|
||||
* val = x;
|
||||
* next = null;
|
||||
* }
|
||||
* }
|
||||
*/
|
||||
public class Solution {
|
||||
public bool HasCycle(ListNode head) {
|
||||
ListNode p1 = head;
|
||||
ListNode p2 = head;
|
||||
|
||||
while (p1 != null && p1.next != null)
|
||||
{
|
||||
p1 = p1.next.next;
|
||||
p2 = p2.next;
|
||||
if (p1 == p2)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
## <20><>Ŀ04<30><34><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>206
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/reverse-linked-list/
|
||||
|
||||
<EFBFBD><EFBFBD>תһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
<b>ʾ<><CABE></b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->2->3->4->5->NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 5->4->3->2->1->NULL
|
||||
```
|
||||
|
||||
<b><3E><><EFBFBD><EFBFBD></b>:
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݹ<EFBFBD><EFBFBD>ط<EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣿
|
||||
|
||||
**˼·**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫ָ<CBAB><D6B8><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><CABD>
|
||||
|
||||
`p1`<EFBFBD><EFBFBD>Ϊǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>̽·<EFBFBD><EFBFBD>`p2`<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һȦ<EFBFBD><EFBFBD><EFBFBD>㶨<EFBFBD><EFBFBD><EFBFBD>⡣
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 116 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.50% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 23.3 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.26% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
|
||||
public class Solution
|
||||
{
|
||||
public ListNode ReverseList(ListNode head)
|
||||
{
|
||||
if (head == null || head.next == null)
|
||||
return head;
|
||||
|
||||
ListNode p1 = head;
|
||||
ListNode p2 = null;
|
||||
while (p1 != null)
|
||||
{
|
||||
ListNode temp = p1.next;
|
||||
p1.next = p2;
|
||||
p2 = p1;
|
||||
p1 = temp;
|
||||
}
|
||||
return p2;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ05<30><35>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĽڵ<C4BD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>237
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/delete-node-in-a-linked-list/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>дһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD>ĩβ<EFBFBD><EFBFBD><EFBFBD>ڵ㣬<EFBFBD>㽫ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>Ľڵ㡣
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> -- head = [4,5,1,9]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD>ʾΪ:
|
||||
|
||||
|
||||
|
||||
|
||||
<b>ʾ<><CABE> 1</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: head = [4,5,1,9], node = 5
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [4,1,9]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ 5 <EFBFBD>ĵڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ㣬<EFBFBD><EFBFBD>ô<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>Ϊ 4 -> 1 -> 9.
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: head = [4,5,1,9], node = 1
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: [4,5,9]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵΪ 1 <EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ㣬<EFBFBD><EFBFBD>ô<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>Ϊ 4 -> 5 -> 9.
|
||||
```
|
||||
|
||||
<b>˵<><CBB5></b>:
|
||||
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٰ<EFBFBD><D9B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ㡣
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нڵ<D0BD><DAB5><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Ψһ<CEA8>ġ<EFBFBD>
|
||||
- <20><><EFBFBD><EFBFBD><EFBFBD>Ľڵ<C4BD>Ϊ<EFBFBD><CEAA>ĩβ<C4A9>ڵ㲢<DAB5><E3B2A2>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD>ڵ㡣
|
||||
- <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD>з<EFBFBD><D0B7><EFBFBD><EFBFBD>κν<CEBA><CEBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
**˼·<EFBFBD><EFBFBD>** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>и<EFBFBD><D0B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>ڵ㣬<DAB5><E3A3AC><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӹ<EFBFBD><D3B8><EFBFBD>Ҫɾ<D2AA><C9BE><EFBFBD>Ľڵ㣬<DAB5><E3A3AC><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD>ԭ<EFBFBD><D4AD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>ڸýڵ<C3BD><DAB5><EFBFBD>ǰһ<C7B0><D2BB><EFBFBD>ڵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>֪<EFBFBD><D6AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ִ<EFBFBD><D6B4>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD>ǽ<EFBFBD>Ҫɾ<D2AA><C9BE><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD> next <20>ڵ<EFBFBD><DAB5><EFBFBD>ֵ<EFBFBD><D6B5>ֵ<EFBFBD><D6B5>Ҫɾ<D2AA><C9BE><EFBFBD>Ľڵ㣬ת<E3A3AC><D7AA>ȥɾ<C8A5><C9BE> next <20>ڵ㣬<DAB5>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>ġ<EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- 41 / 41 <20><>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 120 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 99.55% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 24.4 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.88% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
|
||||
public class Solution
|
||||
{
|
||||
public void DeleteNode(ListNode node)
|
||||
{
|
||||
ListNode temp = node.next;
|
||||
while (temp != null)
|
||||
{
|
||||
node.val = temp.val;
|
||||
temp = temp.next;
|
||||
if (temp != null)
|
||||
{
|
||||
node = node.next;
|
||||
}
|
||||
}
|
||||
node.next = null;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ06<30><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>2
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/add-two-numbers/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <b><3E>ǿ<EFBFBD></b> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><C7B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>Ǹ<EFBFBD><C7B8>Ե<EFBFBD>λ<EFBFBD><CEBB><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD> <b><3E><><EFBFBD><EFBFBD></b> <20>ķ<EFBFBD>ʽ<EFBFBD>洢<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>ڵ<EFBFBD>ֻ<EFBFBD>ܴ洢 <b>һλ</b> <20><><EFBFBD>֡<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>᷵<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ǵĺ͡<EFBFBD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 ֮<>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><>ͷ<EFBFBD><CDB7>
|
||||
|
||||
<b>ʾ<><CABE> 1</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺(2 -> 4 -> 3) + (5 -> 6 -> 4)
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>7 -> 0 -> 8
|
||||
ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>342 + 465 = 807
|
||||
```
|
||||
|
||||
<b>ʾ<><CABE> 2</b><3E><>
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD>룺(3 -> 7) + (9 -> 2)
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2 -> 0 -> 1
|
||||
ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>73 + 29 = 102
|
||||
```
|
||||
|
||||
**˼·**<2A><>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Сѧʱ<D1A7><CAB1>ѧ<EFBFBD>ļӷ<C4BC><D3B7><EFBFBD><EFBFBD>㡣<EFBFBD><E3A1A3>λ<EFBFBD><CEBB><EFBFBD>ӳ<EFBFBD><D3B3><EFBFBD>ʮ<EFBFBD><CAAE>һ<EFBFBD><D2BB>ʮλ<CAAE><CEBB><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>Ͻ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD>
|
||||
|
||||
<b><3E>ο<EFBFBD><CEBF><EFBFBD><EFBFBD>룺</b>
|
||||
|
||||
- ״̬<D7B4><CCAC>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ: 144 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 97.98% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>: 26.7 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 5.07% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
public class Solution
|
||||
{
|
||||
public ListNode AddTwoNumbers(ListNode l1, ListNode l2)
|
||||
{
|
||||
ListNode result = new ListNode(-1);
|
||||
ListNode l3 = result;
|
||||
int flag = 0;
|
||||
while (l1 != null && l2 != null)
|
||||
{
|
||||
int a = l1.val;
|
||||
int b = l2.val;
|
||||
int c = a + b + flag;
|
||||
l3.next = new ListNode(c%10);
|
||||
|
||||
flag = c >= 10 ? 1 : 0;
|
||||
l1 = l1.next;
|
||||
l2 = l2.next;
|
||||
l3 = l3.next;
|
||||
}
|
||||
|
||||
while (l1 != null)
|
||||
{
|
||||
int a = l1.val + flag;
|
||||
|
||||
l3.next = new ListNode(a%10);
|
||||
|
||||
flag = a >= 10 ? 1 : 0;
|
||||
l1 = l1.next;
|
||||
l3 = l3.next;
|
||||
}
|
||||
|
||||
while (l2 != null)
|
||||
{
|
||||
int b = l2.val + flag;
|
||||
|
||||
l3.next = new ListNode(b%10);
|
||||
flag = b >= 10 ? 1 : 0;
|
||||
l2 = l2.next;
|
||||
l3 = l3.next;
|
||||
}
|
||||
|
||||
if (flag == 1)
|
||||
{
|
||||
l3.next = new ListNode(flag);
|
||||
}
|
||||
return result.next;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ07<30><37>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD>N<EFBFBD><4E><EFBFBD>ڵ<EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>19
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD>ڵ㣬<EFBFBD><EFBFBD><EFBFBD>ҷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>㡣
|
||||
|
||||
**ʾ<><CABE>**<EFBFBD><EFBFBD>
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->2->3->4->5, <EFBFBD><EFBFBD> n = 2.
|
||||
|
||||
<EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 1->2->3->5.
|
||||
```
|
||||
|
||||
**˵<EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ġ<EFBFBD>
|
||||
|
||||
**<EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD>ܳ<EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**˼·<EFBFBD><EFBFBD>** ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>룬ǰ<EBA3AC><C7B0><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>`p1`<EFBFBD><EFBFBD><EFBFBD><EFBFBD>`n`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>`p2`<EFBFBD><EFBFBD>`p1`ͬ<EFBFBD><EFBFBD><EFBFBD>ߣ<EFBFBD>`p1`<EFBFBD>ߵ<EFBFBD><EFBFBD>յ㣬`p2`<EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>Ҫ<EFBFBD>Ƴ<EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>á<EFBFBD>
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룺**
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>104 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 86.93% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>24.6 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
public class Solution
|
||||
{
|
||||
public ListNode RemoveNthFromEnd(ListNode head, int n)
|
||||
{
|
||||
ListNode p1 = head;
|
||||
ListNode p2 = head;
|
||||
|
||||
while (n > 0)
|
||||
{
|
||||
p1 = p1.next;
|
||||
n--;
|
||||
}
|
||||
|
||||
if (p1 == null) //<2F>Ƴ<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>
|
||||
{
|
||||
return head.next;
|
||||
}
|
||||
|
||||
while (p1.next != null)
|
||||
{
|
||||
p1 = p1.next;
|
||||
p2 = p2.next;
|
||||
}
|
||||
|
||||
p2.next = p2.next.next;
|
||||
return head;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ08<30><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĽڵ<C4BD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>24
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/swap-nodes-in-pairs/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵĽڵ㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**<EFBFBD>㲻<EFBFBD><EFBFBD>ֻ<EFBFBD>ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸı<EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>ֵ**<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʵ<D2AA>ʵĽ<CAB5><C4BD>нڵ㽻<DAB5><E3BDBB><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
**ʾ<><CABE>:**
|
||||
|
||||
> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1->2->3->4, <20><>Ӧ<EFBFBD>÷<EFBFBD><C3B7><EFBFBD> 2->1->4->3.
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>100 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 93.18% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>23.4 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 87.72% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
|
||||
public class Solution
|
||||
{
|
||||
public ListNode SwapPairs(ListNode head)
|
||||
{
|
||||
if (head == null || head.next == null)
|
||||
return head;
|
||||
|
||||
head = Swap(head);
|
||||
|
||||
ListNode temp = head.next;
|
||||
|
||||
while (temp != null && temp.next != null)
|
||||
{
|
||||
temp.next = Swap(temp.next);
|
||||
if (temp.next != null)
|
||||
{
|
||||
temp = temp.next.next;
|
||||
}
|
||||
}
|
||||
return head;
|
||||
}
|
||||
|
||||
public ListNode Swap(ListNode node)
|
||||
{
|
||||
if (node == null || node.next == null)
|
||||
return node;
|
||||
|
||||
ListNode t = node.next;
|
||||
node.next = t.next;
|
||||
t.next = node;
|
||||
return t;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
## <20><>Ŀ09<30><39><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>61
|
||||
> - <20>Ѷȣ<D1B6><C8A3>е<EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/rotate-list/
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD> k <20><>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD> k <20>ǷǸ<C7B7><C7B8><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
**ʾ<><CABE> 1:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->2->3->4->5->NULL, k = 2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 4->5->1->2->3->NULL
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 1 <EFBFBD><EFBFBD>: 5->1->2->3->4->NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 2 <EFBFBD><EFBFBD>: 4->5->1->2->3->NULL
|
||||
```
|
||||
|
||||
**ʾ<><CABE> 2:**
|
||||
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 0->1->2->NULL, k = 4
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 2->0->1->NULL
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 1 <EFBFBD><EFBFBD>: 2->0->1->NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 2 <EFBFBD><EFBFBD>: 1->2->0->NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 3 <EFBFBD><EFBFBD>: 0->1->2->NULL
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת 4 <EFBFBD><EFBFBD>: 2->0->1->NULL
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>100 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 98.13% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>25.1 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 100.00% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
|
||||
public class Solution
|
||||
{
|
||||
public ListNode RotateRight(ListNode head, int k)
|
||||
{
|
||||
if (head == null || k == 0)
|
||||
return head;
|
||||
|
||||
int len = GetLength(head);
|
||||
int index = len - k%len;
|
||||
|
||||
if (index == len)
|
||||
return head;
|
||||
|
||||
ListNode temp1 = head;
|
||||
ListNode temp2 = head;
|
||||
for (int i = 0; i < index - 1; i++)
|
||||
{
|
||||
temp1 = temp1.next;
|
||||
}
|
||||
head = temp1.next;
|
||||
temp1.next = null;
|
||||
|
||||
temp1 = head;
|
||||
while (temp1.next != null)
|
||||
{
|
||||
temp1 = temp1.next;
|
||||
}
|
||||
temp1.next = temp2;
|
||||
return head;
|
||||
}
|
||||
|
||||
public int GetLength(ListNode head)
|
||||
{
|
||||
ListNode temp = head;
|
||||
int i = 0;
|
||||
while (temp != null)
|
||||
{
|
||||
i++;
|
||||
temp = temp.next;
|
||||
}
|
||||
return i;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
---
|
||||
## <20><>Ŀ10<31><30><EFBFBD>ϲ<EFBFBD>K<EFBFBD><4B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
> - <20><><EFBFBD>ţ<EFBFBD>23
|
||||
> - <20>Ѷȣ<D1B6><C8A3><EFBFBD><EFBFBD><EFBFBD>
|
||||
> - https://leetcode-cn.com/problems/merge-k-sorted-lists/
|
||||
|
||||
|
||||
<EFBFBD>ϲ<EFBFBD> k <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>غϲ<D8BA><CFB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD>ĸ<EFBFBD><C4B8>Ӷȡ<D3B6>
|
||||
|
||||
<b>ʾ<><CABE></b>:
|
||||
```c
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
|
||||
[
|
||||
1->4->5,
|
||||
1->3->4,
|
||||
2->6
|
||||
]
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 1->1->2->3->4->4->5->6
|
||||
```
|
||||
|
||||
<b>˼·<CBBC><C2B7></b><3E><><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><CFB2>ķ<EFBFBD>ʽ<EFBFBD><CABD>
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>`ListNode MergeTwoLists(ListNode l1, ListNode l2)`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ø÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ϲ<EFBFBD>`K`<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
**<EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**<2A><>
|
||||
|
||||
- ִ<>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
|
||||
- ִ<><D6B4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>256 ms, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 36.69% <20><><EFBFBD>û<EFBFBD>
|
||||
- <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ģ<EFBFBD>29.3 MB, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C# <20>ύ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD> 18.37% <20><><EFBFBD>û<EFBFBD>
|
||||
|
||||
|
||||
```c
|
||||
/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* public int val;
|
||||
* public ListNode next;
|
||||
* public ListNode(int x) { val = x; }
|
||||
* }
|
||||
*/
|
||||
public class Solution
|
||||
{
|
||||
public ListNode MergeTwoLists(ListNode l1, ListNode l2)
|
||||
{
|
||||
ListNode pHead = new ListNode(int.MaxValue);
|
||||
ListNode temp = pHead;
|
||||
|
||||
while (l1 != null && l2 != null)
|
||||
{
|
||||
if (l1.val < l2.val)
|
||||
{
|
||||
temp.next = l1;
|
||||
l1 = l1.next;
|
||||
}
|
||||
else
|
||||
{
|
||||
temp.next = l2;
|
||||
l2 = l2.next;
|
||||
}
|
||||
temp = temp.next;
|
||||
}
|
||||
|
||||
if (l1 != null)
|
||||
temp.next = l1;
|
||||
|
||||
if (l2 != null)
|
||||
temp.next = l2;
|
||||
|
||||
return pHead.next;
|
||||
}
|
||||
|
||||
public ListNode MergeKLists(ListNode[] lists) {
|
||||
if (lists.Length == 0)
|
||||
return null;
|
||||
|
||||
ListNode result = lists[0];
|
||||
for (int i = 1; i < lists.Length; i++)
|
||||
{
|
||||
result = MergeTwoLists(result, lists[i]);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
|
||||
# 17 ͼ
|
||||
# 08 ͼ
|
||||
|
||||
**知识结构：**
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
# 19 排序
|
||||
# 09 排序
|
||||
|
||||
**知识结构：**
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user