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LeetCode Longest Palindromic Substring 最长回文子串
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.(最长回文子串) 中心扩展法: pub...
分类:其他好文   时间:2015-01-27 18:31:08    阅读次数:151
LeetCode14——Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings. 题目大意 写一个函数来找出所有字符串里最长的公共前缀。 难度系数:容易 实现 题目不难,基本思路大家都能想到,就是一些细节可能会遗漏。这个也没啥好算法,不管怎样,都需要一个个去比较。 所以没啥好说...
分类:其他好文   时间:2015-01-27 18:24:51    阅读次数:103
leetcode-----------Longest Palindromic Substring
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. 下面是英文,祝你好运 ...
分类:其他好文   时间:2015-01-27 16:35:09    阅读次数:363
Longest Palindromic Substring
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. #include #includ...
分类:其他好文   时间:2015-01-27 15:02:38    阅读次数:164
Problem 2902 - palindrome(最长公共字串)
Longest PalindromeTime Limit:3000MS    Memory Limit:0KB    64bit IO Format:%lld & %llu SubmitStatus Description Problem D: Longest Palindrome Time limit: 10 seconds ...
分类:其他好文   时间:2015-01-27 09:32:55    阅读次数:210
leetcode-----------Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
分类:其他好文   时间:2015-01-27 09:30:15    阅读次数:169
【leetcode】Longest Substring Without Repeating Characters
Longest Substring Without Repeating CharactersGiven a string, find the length of the longest substring without repeating characters. For example, the ...
分类:其他好文   时间:2015-01-27 00:33:39    阅读次数:161
Leetcode#14 Longest Common Prefix
原题地址方法I:枚举依次枚举前缀,然后检验改进1:只需从长到短枚举最短的字符串的前缀改进2:检验前缀合法性时可以进行剪枝优化,加快搜索效率时间复杂度不不太好分析,加上改进之后效率还不错。方法II:字典树时间复杂度O(nm),其中n是字符串个数,m是字符串长度代码: 1 struct TrieNode...
分类:其他好文   时间:2015-01-26 16:44:20    阅读次数:174
Python执行系统命令的方法
Python中执行系统命令常见方法有两种:两者均需 import os(1) os.system# 仅仅在一个子终端运行系统命令,而不能获取命令执行后的返回信息system(command) -> exit_statusExecute the command (a string) in a subs...
分类:编程语言   时间:2015-01-26 01:16:13    阅读次数:285
poj 2533 Longest Ordered Subsequence(最长上升子序列)
http://poj.org/problem?id=2533#include#include#include#includeusing namespace std;int num[1000+100];int dp[1000+100];int main(){ int n; int i,j;...
分类:其他好文   时间:2015-01-25 23:58:22    阅读次数:308
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