mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-25 12:26:29 +08:00
7ffef7e1d6
* update author information * Update index.md --------- Co-authored-by: Yudong Jin <krahets@163.com>
54 lines
1.6 KiB
Zig
54 lines
1.6 KiB
Zig
// File: hash_map.zig
|
|
// Created Time: 2023-01-13
|
|
// Author: codingonion (coderonion@gmail.com)
|
|
|
|
const std = @import("std");
|
|
const inc = @import("include");
|
|
|
|
// Driver Code
|
|
pub fn main() !void {
|
|
// 初始化哈希表
|
|
var map = std.AutoHashMap(i32, []const u8).init(std.heap.page_allocator);
|
|
// 延迟释放内存
|
|
defer map.deinit();
|
|
|
|
// 添加操作
|
|
// 在哈希表中添加键值对 (key, value)
|
|
try map.put(12836, "小哈");
|
|
try map.put(15937, "小啰");
|
|
try map.put(16750, "小算");
|
|
try map.put(13276, "小法");
|
|
try map.put(10583, "小鸭");
|
|
std.debug.print("\n添加完成后,哈希表为\nKey -> Value\n", .{});
|
|
inc.PrintUtil.printHashMap(i32, []const u8, map);
|
|
|
|
// 查询操作
|
|
// 向哈希表中输入键 key ,得到值 value
|
|
var name = map.get(15937).?;
|
|
std.debug.print("\n输入学号 15937 ,查询到姓名 {s}\n", .{name});
|
|
|
|
// 删除操作
|
|
// 在哈希表中删除键值对 (key, value)
|
|
_ = map.remove(10583);
|
|
std.debug.print("\n删除 10583 后,哈希表为\nKey -> Value\n", .{});
|
|
inc.PrintUtil.printHashMap(i32, []const u8, map);
|
|
|
|
// 遍历哈希表
|
|
std.debug.print("\n遍历键值对 Key->Value\n", .{});
|
|
inc.PrintUtil.printHashMap(i32, []const u8, map);
|
|
|
|
std.debug.print("\n单独遍历键 Key\n", .{});
|
|
var it = map.iterator();
|
|
while (it.next()) |kv| {
|
|
std.debug.print("{}\n", .{kv.key_ptr.*});
|
|
}
|
|
|
|
std.debug.print("\n单独遍历值 value\n", .{});
|
|
it = map.iterator();
|
|
while (it.next()) |kv| {
|
|
std.debug.print("{s}\n", .{kv.value_ptr.*});
|
|
}
|
|
|
|
_ = try std.io.getStdIn().reader().readByte();
|
|
}
|
|
|