题目： You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 分析： 二维数...
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其他好文 时间：
2014-10-07 16:44:13
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311
同事的电脑启动时出现下面提示：“因下面文件损坏或丢失Windows无法启动 %systemroot%\system32\ntoskrnl.exe，请又一次安装以上文件的拷贝”（Windows could not start because the following file is missin.....
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其他好文 时间：
2014-10-06 20:12:40
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204
Two elements of a binary search tree (BST) are swapped by mistake.
Recover the tree without changing its structure.
Note:
A solution using O(n)
space is pretty straight forward. Could you devis...
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其他好文 时间：
2014-10-06 18:43:20
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201
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant extr...
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其他好文 时间：
2014-10-06 00:41:19
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271
题目:Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telep...
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其他好文 时间：
2014-10-05 15:11:48
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206
Problem Description
Everyone knows Matt enjoys playing games very much. Now, he is playing such a game. There are N rooms, each with one door. There are some keys(could be none) in each room corres...
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其他好文 时间：
2014-10-04 20:38:27
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234
Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u
SubmitStatus
Description
The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election cam...
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其他好文 时间：
2014-10-04 18:40:57
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265
/*
*
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without u...
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其他好文 时间：
2014-10-04 17:45:36
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163
/*
*
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without u...
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其他好文 时间：
2014-10-04 14:32:16
阅读次数：
211
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 16202
Accepted: 4349
Description
Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you find some ro...
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其他好文 时间：
2014-10-03 22:39:25
阅读次数：
275
