You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.2 KiB
47 lines
1.2 KiB
/**
|
|
* File: hash_map.cpp
|
|
* Created Time: 2022-12-14
|
|
* Author: msk397 (machangxinq@gmail.com)
|
|
*/
|
|
|
|
#include "../utils/common.hpp"
|
|
|
|
/* Driver Code */
|
|
int main() {
|
|
/* 初始化雜湊表 */
|
|
unordered_map<int, string> map;
|
|
|
|
/* 新增操作 */
|
|
// 在雜湊表中新增鍵值對 (key, value)
|
|
map[12836] = "小哈";
|
|
map[15937] = "小囉";
|
|
map[16750] = "小算";
|
|
map[13276] = "小法";
|
|
map[10583] = "小鴨";
|
|
cout << "\n新增完成後，雜湊表為\nKey -> Value" << endl;
|
|
printHashMap(map);
|
|
|
|
/* 查詢操作 */
|
|
// 向雜湊表中輸入鍵 key ，得到值 value
|
|
string name = map[15937];
|
|
cout << "\n輸入學號 15937 ，查詢到姓名 " << name << endl;
|
|
|
|
/* 刪除操作 */
|
|
// 在雜湊表中刪除鍵值對 (key, value)
|
|
map.erase(10583);
|
|
cout << "\n刪除 10583 後，雜湊表為\nKey -> Value" << endl;
|
|
printHashMap(map);
|
|
|
|
/* 走訪雜湊表 */
|
|
cout << "\n走訪鍵值對 Key->Value" << endl;
|
|
for (auto kv : map) {
|
|
cout << kv.first << " -> " << kv.second << endl;
|
|
}
|
|
cout << "\n使用迭代器走訪 Key->Value" << endl;
|
|
for (auto iter = map.begin(); iter != map.end(); iter++) {
|
|
cout << iter->first << "->" << iter->second << endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|