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* Revised the book * Update the book with the second revised edition * Revise base on the manuscript of the first edition
51 lines
1.3 KiB
Swift
51 lines
1.3 KiB
Swift
/**
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* File: hash_map.swift
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* Created Time: 2023-01-16
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* Author: nuomi1 (nuomi1@qq.com)
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*/
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import utils
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@main
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enum HashMap {
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/* Driver Code */
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static func main() {
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/* 初始化哈希表 */
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var map: [Int: String] = [:]
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/* 添加操作 */
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// 在哈希表中添加键值对 (key, value)
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map[12836] = "小哈"
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map[15937] = "小啰"
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map[16750] = "小算"
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map[13276] = "小法"
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map[10583] = "小鸭"
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print("\n添加完成后，哈希表为\nKey -> Value")
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PrintUtil.printHashMap(map: map)
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/* 查询操作 */
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// 向哈希表中输入键 key ，得到值 value
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let name = map[15937]!
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print("\n输入学号 15937 ，查询到姓名 \(name)")
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/* 删除操作 */
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// 在哈希表中删除键值对 (key, value)
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map.removeValue(forKey: 10583)
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print("\n删除 10583 后，哈希表为\nKey -> Value")
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PrintUtil.printHashMap(map: map)
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/* 遍历哈希表 */
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print("\n遍历键值对 Key->Value")
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for (key, value) in map {
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print("\(key) -> \(value)")
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}
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print("\n单独遍历键 Key")
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for key in map.keys {
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print(key)
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}
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print("\n单独遍历值 Value")
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for value in map.values {
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print(value)
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}
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}
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}
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