2023_open_source_contest_warmup_1st_issue1

This commit is contained in:
jager 2023-06-28 13:35:00 +08:00
parent 52c8d940f8
commit 6e9ffb0b39
3 changed files with 112 additions and 45 deletions

View File

@ -1,9 +1,14 @@
menu "test app"
menuconfig USER_TEST
bool "Enable application test function "
default n
default y
if USER_TEST
menuconfig USER_HASH_TABLE
bool "Config test hash table"
default y
menuconfig USER_TEST_ADC
bool "Config test adc"
default n
@ -240,5 +245,6 @@ menu "test app"
bool "Config test soft timer"
default n
endif
endmenu

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@ -101,5 +101,9 @@ ifeq ($(CONFIG_ADD_XIZI_FETURES),y)
SRC_FILES += test_timer.c
endif
ifeq ($(CONFIG_USER_HASH_TABLE),y)
SRC_FILES += test_hash/test_hash.c
endif
include $(KERNEL_ROOT)/compiler.mk
endif

View File

@ -18,11 +18,12 @@ v2.
* @author: Jager
* @date: 2023/6/17
*/
#include<transform.h>
#include <stdio.h>
#include <stdlib.h>
#include<string.h>
#include"test_hash.h"
#ifdef ADD_XIZI_FETURES
@ -40,6 +41,7 @@ typedef struct HashTable {
Node** buckets;
} HashTable;
// 创建节点
Node* createNode(int key, int value) {
Node* newNode = (Node*)malloc(sizeof(Node));
@ -49,9 +51,11 @@ Node* createNode(int key, int value) {
return newNode;
}
// 创建哈希表
HashTable* hashTable =NULL;
// initial
HashTable* createHashTable() {
HashTable* hashTable = (HashTable*)malloc(sizeof(HashTable));
hashTable = (HashTable*)malloc(sizeof(HashTable));
hashTable->buckets = (Node**)malloc(sizeof(Node*) * TABLE_SIZE);
for (int i = 0; i < TABLE_SIZE; i++) {
hashTable->buckets[i] = NULL;
@ -64,24 +68,6 @@ int hashFunction(int key) {
return key % TABLE_SIZE;
}
// 插入操作
void insert(HashTable* hashTable, int key, int value) {
int index = hashFunction(key);
Node* newNode = createNode(key, value);
// 如果桶为空,则直接插入
if (hashTable->buckets[index] == NULL) {
hashTable->buckets[index] = newNode;
}
else { // 否则在链表尾部插入
Node* current = hashTable->buckets[index];
while (current->next != NULL) {
current = current->next;
}
current->next = newNode;
}
}
// 查找操作
int search(HashTable* hashTable, int key) {
int index = hashFunction(key);
@ -97,8 +83,42 @@ int search(HashTable* hashTable, int key) {
return -1; // 未找到
}
// 插入操作
void insert(HashTable* hashTable, int key, int value) {
//查找表中是否存在key
int val = search(hashTable, key);
if(val==value)return;//存在(key,value)直接返回
else if(val==-1){//不存在key直接插入
int index = hashFunction(key);
Node* newNode = createNode(key, value);
// 如果桶为空,则直接插入
if (hashTable->buckets[index] == NULL) {
hashTable->buckets[index] = newNode;
}
else { // 否则在链表尾部插入
Node* current = hashTable->buckets[index];
while (current->next != NULL) {
current = current->next;
}
current->next = newNode;
}
}
else{//存在key但value不同替换value
int index = hashFunction(key);
Node* current = hashTable->buckets[index];
while (current != NULL) {
if (current->key == key) {
current->value=value;
}
current = current->next;
}
}
}
// 删除操作
void removeEntry(HashTable* hashTable, int key) {
int removeEntry(HashTable* hashTable, int key) {
int value = search(hashTable, key);
if(value==-1)return 0;
int index = hashFunction(key);
Node* current = hashTable->buckets[index];
Node* prev = NULL;
@ -112,12 +132,12 @@ void removeEntry(HashTable* hashTable, int key) {
prev->next = current->next;
}
free(current);
return;
return 1;
}
prev = current;
current = current->next;
}
return 1;
}
// 打印哈希表
@ -134,30 +154,67 @@ void printHashTable(HashTable* hashTable) {
}
// 测试
void TestHash() {
HashTable* hashTable = createHashTable();
void TestHash(int argc, char *argv[]) {
// 插入操作
insert(hashTable, 5, 10);
insert(hashTable, 2, 20);
insert(hashTable, 7, 30);
insert(hashTable, 12, 40);
insert(hashTable, 15, 50);
//显示传入参数
printf("%dparameter(s): ", argc);
for (char i = 1; i < argc; i++) {
printf("%s ", argv[i]);
}
printf("\n");
if(argc==1){
printf("Enter TestHash h for help\n");
}
// 查找操作
printf("Value at key 7: %d\n", search(hashTable, 7));
printf("Value at key 12: %d\n", search(hashTable, 12));
printf("Value at key 9: %d\n", search(hashTable, 9));
// 删除操作
removeEntry(hashTable, 7);
removeEntry(hashTable, 12);
// 打印哈希表
printHashTable(hashTable);
// 1.insert
if(argc==4 && argv[1][0]=='1'){
int key=atoi(argv[2]);int value=atoi(argv[3]);
insert(hashTable, key, value);
printf("insert key(%d),value(%d) success\n",key, value);
}
// 2.delete
else if(argc==3 && argv[1][0]=='2'){
int key=atoi(argv[2]);
// 删除操作
int flag=removeEntry(hashTable, key);
if(flag){
printf("delete key(%d) success\n",key);
}
else{
printf("delete key(%d) failed\n",key);
}
}
// 3.search
else if(argc==3 && argv[1][0]=='3'){
int key=atoi(argv[2]);
// 查找操作
int value=search(hashTable, key);
if(value==-1){
printf("query key(%d),not exist\n",key);
}
else{
printf("query key(%d),the answer is : %d\n",key,value);
}
}
// 4.display
else if(argc==2 && argv[1][0]=='4'){
// 打印哈希表
printHashTable(hashTable);
}
// 5.help
else if(argc==2 && argv[1][0]=='h'){
printf("1:insert(key,value)\n2:delete(key)\n3:search(key)\n4:dispaly the table\nh : help\n");
}
// error
else if(argc>1){
printf("error\n");
}
printf("\n");
}
PRIV_SHELL_CMD_FUNCTION(TestHash, a hash test sample, PRIV_SHELL_CMD_MAIN_ATTR);
#endif
PRIV_SHELL_CMD_FUNCTION(createHashTable, initial, PRIV_SHELL_CMD_MAIN_ATTR);
#endif