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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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@@ -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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@@ -145,7 +145,7 @@ void main() {
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map.printHashMap();
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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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print("\n输入学号 13276 ,查询到姓名 $name");
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