合并两个有序数组，放在A中，A中的空间足够。Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size th...
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其他好文 时间：
2014-11-22 01:56:43
阅读次数：
209
An encoding of a set of symbols is said to be immediately decodable if no code for one symbol is the prefix of a code for another symbol. We will assume for this problem that all codes are in binary, ...
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其他好文 时间：
2014-11-21 21:56:09
阅读次数：
307
Multivariable normal distribution is a positive definite matrix.
We can get (assume) Where
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其他好文 时间：
2014-11-21 10:34:59
阅读次数：
157
Multivariable normal distribution is a positive definite matrix.
We can get (assume) Where
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其他好文 时间：
2014-11-21 10:31:19
阅读次数：
209
Multivariable normal distribution is a positive definite matrix.
We can get (assume) Where
We do a simple transformation
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其他好文 时间：
2014-11-21 09:06:33
阅读次数：
181
Radar Installation
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 54798
Accepted: 12352
Description
Assume the coasting is an infinite straight line. La...
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其他好文 时间：
2014-11-18 01:40:09
阅读次数：
255
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
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其他好文 时间：
2014-11-17 14:02:09
阅读次数：
146
Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
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其他好文 时间：
2014-11-17 09:12:02
阅读次数：
179
关于这道题目，不得不感慨leetcode真的是一个不错的网站，之前的代码是有bug的，当时AC了，现在测试用例更加完善了，于是不能AC了。
题目描述：
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The le...
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其他好文 时间：
2014-11-16 23:08:48
阅读次数：
362
问题描述：
Given an array S of n integers, find three integers in
S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would ha...
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其他好文 时间：
2014-11-16 10:44:35
阅读次数：
123
