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Update the book based on the revised second edition (#1014)
* Revised the book * Update the book with the second revised edition * Revise base on the manuscript of the first edition
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@@ -107,7 +107,7 @@ public class array_hash_map {
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map.Print();
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/* 查询操作 */
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// 向哈希表输入键 key ,得到值 value
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// 向哈希表中输入键 key ,得到值 value
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string? name = map.Get(15937);
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Console.WriteLine("\n输入学号 15937 ,查询到姓名 " + name);
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@@ -24,7 +24,7 @@ public class hash_map {
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PrintUtil.PrintHashMap(map);
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/* 查询操作 */
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// 向哈希表输入键 key ,得到值 value
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// 向哈希表中输入键 key ,得到值 value
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string name = map[15937];
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Console.WriteLine("\n输入学号 15937 ,查询到姓名 " + name);
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@@ -39,13 +39,13 @@ class HashMapChaining {
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/* 查询操作 */
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public string? Get(int key) {
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int index = HashFunc(key);
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// 遍历桶,若找到 key 则返回对应 val
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// 遍历桶,若找到 key ,则返回对应 val
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foreach (Pair pair in buckets[index]) {
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if (pair.key == key) {
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return pair.val;
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}
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}
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// 若未找到 key 则返回 null
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// 若未找到 key ,则返回 null
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return null;
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}
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@@ -131,7 +131,7 @@ public class hash_map_chaining {
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map.Print();
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/* 查询操作 */
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// 向哈希表输入键 key ,得到值 value
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// 向哈希表中输入键 key ,得到值 value
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string? name = map.Get(13276);
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Console.WriteLine("\n输入学号 13276 ,查询到姓名 " + name);
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@@ -37,9 +37,9 @@ class HashMapOpenAddressing {
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int firstTombstone = -1;
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// 线性探测,当遇到空桶时跳出
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while (buckets[index] != null) {
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// 若遇到 key ,返回对应桶索引
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// 若遇到 key ,返回对应的桶索引
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if (buckets[index].key == key) {
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// 若之前遇到了删除标记,则将键值对移动至该索引
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// 若之前遇到了删除标记,则将键值对移动至该索引处
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if (firstTombstone != -1) {
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buckets[firstTombstone] = buckets[index];
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buckets[index] = TOMBSTONE;
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@@ -51,7 +51,7 @@ class HashMapOpenAddressing {
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if (firstTombstone == -1 && buckets[index] == TOMBSTONE) {
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firstTombstone = index;
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}
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// 计算桶索引,越过尾部返回头部
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// 计算桶索引,越过尾部则返回头部
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index = (index + 1) % capacity;
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}
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// 若 key 不存在,则返回添加点的索引
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@@ -146,7 +146,7 @@ public class hash_map_open_addressing {
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map.Print();
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/* 查询操作 */
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// 向哈希表输入键 key ,得到值 value
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// 向哈希表中输入键 key ,得到值 value
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string? name = map.Get(13276);
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Console.WriteLine("\n输入学号 13276 ,查询到姓名 " + name);
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