Total Accepted: 32226
Total Submissions: 117691
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in
C where the candidate numbers sums to T.
...
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其他好文 时间：
2015-01-31 16:21:19
阅读次数：
137
Given n, how many structurally unique BST's (binarysearch trees) that store values 1...n?
For example,
Given n = 3, there are a total of 5 unique BST's.
1 3 3 2 1
\ ...
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其他好文 时间：
2015-01-30 22:53:46
阅读次数：
166
题目链接：4Sum
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target.
Note:
...
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其他好文 时间：
2015-01-30 22:42:54
阅读次数：
251
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d =
target? Find all unique quadruplets in the array which gives the sum of target.
Note:
Element...
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其他好文 时间：
2015-01-30 19:39:12
阅读次数：
198
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to reach th...
分类：
编程语言 时间：
2015-01-30 16:05:00
阅读次数：
257
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where
the candidate numbers sums to T.
The same repeated number may be chosen from C unlimited numb...
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其他好文 时间：
2015-01-30 09:15:07
阅读次数：
174
题目链接：3Sum
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.
Note:
*Elements in a triplet (a...
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其他好文 时间：
2015-01-29 21:11:51
阅读次数：
180
题目：
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to r...
分类：
其他好文 时间：
2015-01-29 19:42:21
阅读次数：
206
原题地址Unique Binary Search Trees（参见这篇文章）的升级版做题的时候我在想，这要是把每个二叉树都独立创建一份得多麻烦啊，试试能不能共用"公共部分"，试了一下，果然可以，哈哈。trees[i][j]表示数字i到j所能组成的所有二叉树的根节点代码： 1 vector gener...
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其他好文 时间：
2015-01-29 19:04:40
阅读次数：
168
今天开始学习Linux，学习过程中我会在这里记下一些学习笔记，先从基础的学起，万事开头难，因此我会坚持！当下Linux系统已经有很多版本了，Linux其实就是Unix的衍生版本，以L开头是因为它的创始人Linus，Unix是Unique + X版本号的缩写...关于Unix和Linux的起源有很长的...
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系统相关 时间：
2015-01-29 14:09:59
阅读次数：
383
