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:
Elemen...
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其他好文 时间：
2015-07-06 18:02:56
阅读次数：
98
How Many Equations Can You FindTime Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64uDescriptionNow give you an string which only contai...
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其他好文 时间：
2015-07-06 17:34:29
阅读次数：
122
题目：
Given a binary tree, find its minimum depth.
The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node.
解题：
求根节点到最近的叶子节点之间的距离
用...
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编程语言 时间：
2015-07-06 16:08:36
阅读次数：
152
题目：
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
解题：
求最大深度 和前面一题类似 用递归遍历就...
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编程语言 时间：
2015-07-06 16:06:14
阅读次数：
143
问题描述Given a sorted array of integers, find the starting and ending position of a given target value.
Your algorithm’s runtime complexity must be in the order of O(log n).
If the target is not found i...
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其他好文 时间：
2015-07-06 14:23:26
阅读次数：
110
3Sum Closest
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 wou...
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其他好文 时间：
2015-07-06 14:22:40
阅读次数：
119
How Many Equations Can You Find
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 644 Accepted Submission(s): 424
Problem Description...
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其他好文 时间：
2015-07-06 14:14:56
阅读次数：
95
题目：
Given a string S,
find the longest palindromic substring in S.
You may assume that the maximum length of S is
1000, and there exists one unique longest palindromic substring.
题意：
给定字符串S...
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编程语言 时间：
2015-07-06 12:30:14
阅读次数：
115
Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.Hide Tags： Tree ，Depth-first Search/**
* D...
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其他好文 时间：
2015-07-06 12:29:01
阅读次数：
112
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,b,...
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其他好文 时间：
2015-07-06 12:21:02
阅读次数：
167
