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 and the nodes have the same value.
/**
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其他好文 时间：
2014-08-03 12:54:55
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201
Description
You have N integers, A1, A2, ... ,
AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other ...
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其他好文 时间：
2014-08-03 12:53:25
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Description
Each of the M lanes of the Park of Polytechnic University of Bucharest connects two of the N crossroads of the park (labeled from 1 to N). There is no pair of crossroads connected by mo...
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其他好文 时间：
2014-08-02 23:27:14
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327
Big String
Time Limit: 2 Seconds Memory Limit: 65536 KB
We will construct an infinitely long string from two short strings: A = "^__^" (four characters), and B = "T.T" (three characters). R...
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其他好文 时间：
2014-08-02 21:02:04
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291
题目再现
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time
complexity should be O(log (m+n)).
题意解析...
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其他好文 时间：
2014-08-02 18:24:13
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335
问题：有序合并两个有序链表分析：归并排序的合并部分class Solution {public: ListNode *mergeTwoLists(ListNode *l1, ListNode *l2) { ListNode *helper=new ListNode(0); ...
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其他好文 时间：
2014-08-02 18:17:03
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170
Description
Gigel has a strange "balance" and he wants to poise it. Actually, the device is different from any other ordinary balance.
It orders two arms of negligible weight and each arm's lengt...
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其他好文 时间：
2014-08-02 15:30:13
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235
#include#include#includechar *g_WordTable[10]= {"zero", "one", "two", "three", "four", "five","six", "seven", "eight", "nine"};int main(){ //存放用户输入...
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其他好文 时间：
2014-08-02 12:31:53
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530
Suppose we have a framefinal JFrame jframe = new JFrame("Triangle 3");To catch window closing events and quit, there are two ways (as I know):Way1.jfr...
Edit DistanceGiven two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each operation is counted as 1 step.)You...
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其他好文 时间：
2014-08-02 01:29:22
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309
