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.
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* File: hash_map.cs
|
|
|
|
|
* Created Time: 2022-12-23
|
|
|
|
|
* Author: haptear (haptear@hotmail.com)
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
namespace hello_algo.chapter_hashing;
|
|
|
|
|
|
|
|
|
|
public class hash_map {
|
|
|
|
|
[Test]
|
|
|
|
|
public void Test() {
|
|
|
|
|
/* 初始化雜湊表 */
|
|
|
|
|
Dictionary<int, string> map = new() {
|
|
|
|
|
/* 新增操作 */
|
|
|
|
|
// 在雜湊表中新增鍵值對 (key, value)
|
|
|
|
|
{ 12836, "小哈" },
|
|
|
|
|
{ 15937, "小囉" },
|
|
|
|
|
{ 16750, "小算" },
|
|
|
|
|
{ 13276, "小法" },
|
|
|
|
|
{ 10583, "小鴨" }
|
|
|
|
|
};
|
|
|
|
|
Console.WriteLine("\n新增完成後,雜湊表為\nKey -> Value");
|
|
|
|
|
PrintUtil.PrintHashMap(map);
|
|
|
|
|
|
|
|
|
|
/* 查詢操作 */
|
|
|
|
|
// 向雜湊表中輸入鍵 key ,得到值 value
|
|
|
|
|
string name = map[15937];
|
|
|
|
|
Console.WriteLine("\n輸入學號 15937 ,查詢到姓名 " + name);
|
|
|
|
|
|
|
|
|
|
/* 刪除操作 */
|
|
|
|
|
// 在雜湊表中刪除鍵值對 (key, value)
|
|
|
|
|
map.Remove(10583);
|
|
|
|
|
Console.WriteLine("\n刪除 10583 後,雜湊表為\nKey -> Value");
|
|
|
|
|
PrintUtil.PrintHashMap(map);
|
|
|
|
|
|
|
|
|
|
/* 走訪雜湊表 */
|
|
|
|
|
Console.WriteLine("\n走訪鍵值對 Key->Value");
|
|
|
|
|
foreach (var kv in map) {
|
|
|
|
|
Console.WriteLine(kv.Key + " -> " + kv.Value);
|
|
|
|
|
}
|
|
|
|
|
Console.WriteLine("\n單獨走訪鍵 Key");
|
|
|
|
|
foreach (int key in map.Keys) {
|
|
|
|
|
Console.WriteLine(key);
|
|
|
|
|
}
|
|
|
|
|
Console.WriteLine("\n單獨走訪值 Value");
|
|
|
|
|
foreach (string val in map.Values) {
|
|
|
|
|
Console.WriteLine(val);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|