[LeetCode] Symmetric Tree
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric ...
原文：[leetcode]Symmetric Tree @ Python
原題地址：https: oj.leetcode.com problems symmetric tree 題意：判斷二叉樹是否為對稱的。 Given a binary tree, check whether it is a mirror of itself ie, symmetric around its center . For example, this binary tree is symme ...
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Symmetric Tree leetcode java
題目： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric ...
leetcode: Symmetric Tree
判斷一棵樹是否對稱，如果對稱，中序遍歷的結果一定也是對稱的。 看了一下別人的代碼，也可以在遞歸的過程中直接去判斷。 ...
[LeetCode] Symmetric Tree 判斷對稱樹
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric ...
[leetcode]Same Tree @ Python
原題地址：https://oj.leetcode.com/problems/same-tree/ 題意：判斷兩棵樹是否是同一棵樹。 解題思路：這題比較簡單。用遞歸來做。首先判斷兩個根節點的值是否相同，如果相同，遞歸判斷根的左右子樹。 代碼： ...
二叉樹系列 - [LeetCode] Symmetric Tree 判斷二叉樹是否對稱，遞歸和非遞歸實現
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric ...
[leetcode]Balanced Binary Tree @ Python
原題地址：http://oj.leetcode.com/problems/balanced-binary-tree/ 題意：判斷一顆二叉樹是否是平衡二叉樹。 解題思路：在這道題里，平衡二叉樹的定義是二叉樹的任意節點的兩顆子樹之間的高度差小於等於1。這實際上是AVL樹的定義。首先要寫一個計算 ...
[leetcode]Binary Tree Level Order Traversal @ Python
原題地址：http://oj.leetcode.com/problems/binary-tree-level-order-traversal/ 題意：二叉樹的層序遍歷的實現。 解題思路：二叉樹的層序遍歷可以用bfs或者dfs來實現。這里使用的dfs實現，代碼比較簡潔。實際上，二叉樹的先序遍歷 ...