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Several bug fixes.
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parent
0e3d2ce4bb
commit
4355f8d49f
7 changed files with 8 additions and 9 deletions
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@ -47,7 +47,7 @@ class ArrayHashMap {
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int index = hashFunc(key);
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Pair *pair = buckets[index];
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if (pair == nullptr)
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return nullptr;
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return "";
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return pair->val;
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}
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@ -50,8 +50,8 @@ class HashMapChaining {
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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 nullptr
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return nullptr;
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// 若未找到 key 则返回空字符串
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return "";
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}
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/* 添加操作 */
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@ -37,7 +37,7 @@ class HashMapChaining {
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}
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/* 查询操作 */
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public string get(int key) {
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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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foreach (Pair pair in buckets[index]) {
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@ -59,7 +59,7 @@ class HashMapOpenAddressing {
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}
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/* 查询操作 */
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public string get(int key) {
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public string? get(int key) {
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// 搜索 key 对应的桶索引
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int index = findBucket(key);
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// 若找到键值对,则返回对应 val
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@ -29,7 +29,7 @@ class HashMapChaining:
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"""负载因子"""
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return self.size / self.capacity
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def get(self, key: int) -> str:
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def get(self, key: int) -> str | None:
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"""查询操作"""
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index = self.hash_func(key)
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bucket = self.buckets[index]
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@ -475,7 +475,6 @@ $$
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node.borrow().val.hash(&mut hasher);
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let hash = hasher.finish();
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// 节点对象 RefCell { value: ListNode { val: 42, next: None } } 的哈希值为15387811073369036852
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```
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=== "C"
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@ -156,7 +156,7 @@ AVL 树既是二叉搜索树也是平衡二叉树,同时满足这两类二叉
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use std::rc::Rc;
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use std::cell::RefCell;
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/* AVL 树节点类型 */
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/* AVL 树节点结构体 */
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struct TreeNode {
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val: i32, // 节点值
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height: i32, // 节点高度
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@ -165,7 +165,7 @@ AVL 树既是二叉搜索树也是平衡二叉树,同时满足这两类二叉
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}
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impl TreeNode {
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/* AVL 树节点构造方法 */
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/* 构造方法 */
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fn new(val: i32) -> Rc<RefCell<Self>> {
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Rc::new(RefCell::new(Self {
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val,
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