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leetcode[159]Longest Substring with At Most Two Distinct Characters
找到最多含有两个不同字符的子串的最长长度。例如:eoeabc,最长的是eoe为3,其他都为2.例如:string s="aqaqedadcdccd";使用一个map fmap记录每个字符出现的个数,详解在程序中注释。int lengthOfLongestSubstringTwoDistinct(st...
分类:其他好文   时间:2015-02-08 23:12:12    阅读次数:150
【LeetCode从零单排】No14.LongestCommonPrefix
题目    Write a function to find the longest common prefix string amongst an array of strings.代码public class Solution { public String longestCommonPrefix(String[] strs) { if(strs.length==0) ...
分类:其他好文   时间:2015-02-08 16:53:08    阅读次数:164
Longest Common Prefix
题目描述:Write a function to find the longest common prefix string amongst an array of strings. 题目很唬人,搞清楚前缀的意思就简单了。解题思路就四个字:垂直匹配。solution:string longestC....
分类:其他好文   时间:2015-02-08 12:43:29    阅读次数:152
LeetCode 032 Longest Valid Parentheses
题目描述:Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses s...
分类:其他好文   时间:2015-02-07 18:51:04    阅读次数:139
LeetCode 014 Longest Common Prefix
题目描述:Longest Common PrefixWrite a function to find the longest common prefix string amongst an array of strings.代码如下:class Solution {public: string...
分类:其他好文   时间:2015-02-07 15:43:58    阅读次数:181
LeetCode 005 Longest Palindromic Substring
题目描述:Longest Palindromic SubstringGiven a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and ...
分类:其他好文   时间:2015-02-06 23:10:27    阅读次数:133
[LeetCode] Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.思路: 很简单,其他字符串和第一个字符串比较,一个一个字符比较,反正最长不会超过第一个字符串的长度。class Solution...
分类:其他好文   时间:2015-02-06 13:06:07    阅读次数:121
[LeetCode] Longest Consecutive Sequence 求最长连续序列
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example,Given [100, 4, 200, 1, 3, 2],The longes...
分类:其他好文   时间:2015-02-06 01:55:18    阅读次数:153
POJ 2533 Longest Ordered Subsequence
题目链接:http://poj.org/problem?id=2533 Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 35605   Accepted: 15621 Description ...
分类:其他好文   时间:2015-02-05 23:24:40    阅读次数:288
LeetCode104——Maximum Depth of Binary Tree
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. 难度系数: 容易 实现 int maxDepth(Tr...
分类:其他好文   时间:2015-02-05 16:28:31    阅读次数:119
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