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lines changed Original file line number Diff line number Diff line change @@ -80,5 +80,19 @@ LeetCode 刷题小组,组织代号 *Punch*,缘起我的 LeetCode 解题本 [
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- [ 155. 最小栈] ( https://leetcode-cn.com/problems/min-stack/ ) :包含 Min 函数的栈(只让比栈顶小的元素入栈)
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- [ 739. 每日温度] ( https://leetcode-cn.com/problems/daily-temperatures/ ) :单调栈、递减栈
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- [ 946. 验证栈序列] ( https://leetcode-cn.com/problems/validate-stack-sequences/ ) :求出栈数目和出栈序列
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- - 树相关:
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- - [ 331. 验证二叉树的前序序列化] ( https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/ )
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+ - [ 331. 验证二叉树的前序序列化] ( https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/ ) :树相关
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+ - [ 133. 克隆图] ( https://leetcode-cn.com/problems/clone-graph/ ) :栈与深搜 + 队列与广搜
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+ - [ 341. 扁平化嵌套列表迭代器] ( https://leetcode-cn.com/problems/flatten-nested-list-iterator/ ) :递归或栈
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+ - [ 933. 最近的请求次数] ( https://leetcode-cn.com/problems/number-of-recent-calls/ ) :队列应用
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+ ## 第三期:树
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+ ### 二叉树
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+ - [ 144. 二叉树的前序遍历] ( https://leetcode-cn.com/problems/binary-tree-preorder-traversal/ ) :递归/迭代(栈模拟)
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+ - [ 94. 二叉树的中序遍历] ( https://leetcode-cn.com/problems/binary-tree-inorder-traversal/ ) :递归/迭代(栈模拟)
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+ - [ 145. 二叉树的后序遍历] ( https://leetcode-cn.com/problems/binary-tree-postorder-traversal/ ) :递归/迭代(栈 + 反序)
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+ - 👍[ 102. 二叉树的层次遍历] ( https://leetcode-cn.com/problems/binary-tree-level-order-traversal/ ) :队列
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+ - [ 104. 二叉树的最大深度] ( https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/description/ ) :自底向上/自顶向下
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+ - [ 101. 对称二叉树] ( https://leetcode-cn.com/problems/symmetric-tree/ ) :递归/迭代(队列,层级遍历)
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+ - [ 112. 路径总和] ( https://leetcode-cn.com/problems/path-sum/ ) :递归
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