class Solution{public: vectorpreorderTraversal(TreeNode *root) { vectorpreOrder; Traversal(root,preOrder); return preOrder; } stack st;private: voi...
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其他好文 时间:
2014-07-03 10:10:24
阅读次数:
165
Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note...
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其他好文 时间:
2014-07-02 22:49:05
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249
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
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其他好文 时间:
2014-07-02 22:34:44
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318
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tree andsum =...
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其他好文 时间:
2014-07-02 22:10:42
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262
Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, 1 ...
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其他好文 时间:
2014-07-02 21:13:05
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170
Same Tree Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally i...
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其他好文 时间:
2014-07-02 17:56:50
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205
Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.
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其他好文 时间:
2014-07-02 10:03:09
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175
[LeetCode]Maximum Depth of Binary Tree...
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其他好文 时间:
2014-07-02 08:09:01
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175
判断一个二叉树是否是轴对称的是一个经典的算法问题,下面结合leetcode上的Symmetric Tree给出判断对称树的两种方法。
先看看问题描述:
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).
For example, t...
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其他好文 时间:
2014-07-02 06:58:05
阅读次数:
208