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 identical a ...
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其他好文 时间：
2017-02-25 18:41:24
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153
思路1： 递归，如果 p = q, 那么判段 sameTree(p.left)==sameTree(q.left) and sameTree(p.right) = sameTree(q.right) 思路二： 如果两个树相同，说明按照一定的方式遍历这两个树，应该得到一样的结果。这里用的方法是使用st ...
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其他好文 时间：
2017-01-25 07:44:44
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200
【题目】 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 identi ...
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其他好文 时间：
2016-12-24 09:28:39
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215
#100. 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 structur ...
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其他好文 时间：
2016-11-20 18:35:46
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116
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 identical an ...
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其他好文 时间：
2016-11-15 00:24:23
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147
190. Reverse Bits:原数向右移动，如果bit是1，就给结果在相应的位置加上1. 46. Permutations:最适合这道题的dfs搜索顺序是把加一个限制条件：搜索过的数字跳过。脑子里面有个tree的模型然后去想应该搜索的顺序和条件。 100. Same Tree: 递归：检查是不 ...
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其他好文 时间：
2016-10-09 07:21:39
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153
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 identical a ...
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其他好文 时间：
2016-09-16 21:03:29
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153
思路：递归。 null也是tree。 null tree (definition) Definition: (1) A tree which is empty. (2) A tree whose leaf nodes all have a null value. https://xlinux.nis ...
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其他好文 时间：
2016-09-10 06:44:29
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165
LeetCode176：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 st ...
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其他好文 时间：
2016-09-08 20:05:57
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91
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 identical a ...
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其他好文 时间：
2016-09-05 00:09:14
阅读次数：
94
