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LeetCode "Longest Valid Parentheses"
Your intuition would tell you that there's a O(n) solution. Actually it is another stack-based problem to solve.class Solution {public: struct Rec ...
分类:其他好文   时间:2014-08-06 14:37:41    阅读次数:186
JQUERY验证上传文件大小
function checkImgType(this_){ var filepath=$(this_).val(); var extStart=filepath.lastIndexOf("."); var ext=filepath.substring(extStart,filepat...
分类:Web程序   时间:2014-08-06 14:31:11    阅读次数:200
文件下载
public void GetDown(String Url) { string StringFileName = Url.Substring(Url.LastIndexOf("/") + 1); string StringFilePath ...
分类:其他好文   时间:2014-08-06 14:21:31    阅读次数:173
英特尔 Android* 开发人员指南上的对等应用
本文将对 Wi-Fi 对等技术进行评估。 Wi-Fi 对等(P2P)支持具备适当应用的 Android 4.0 或更高版本在没有接入点的情况下通过 Wi-Fi 彼此连接。 Android Wi-Fi P2P 框架符合 Wi-Fi Direct 标准。 一般情况下,Wi-Fi Direct 支持更快的速度和更远的距离,但是所需的功耗比蓝牙连接高。...
分类:移动开发   时间:2014-08-06 10:27:01    阅读次数:299
LeetCode "Longest Palindromic Substring" - 1D DP
2D DP is an intuitive solution of course, but I got an MLE error, so I simplified it into a 1D DP:class Solution {public: void goDp(vector &dp, int...
分类:其他好文   时间:2014-08-06 06:14:40    阅读次数:196
中国剩余定理
中国剩余定理用于求解 x≡ai(mod mi),其中mi两两互质,x有唯一解。 令M为mi的乘积,wi = M/mi,wi关于模mi的逆元为pi,即满足wi*pi + mi*qi = 1. 则上述方程组等价于 x≡ w1*p1*a1 + w2*p2*a2 +......+wk*pk*ak(mod M)..................................................
分类:其他好文   时间:2014-08-05 22:45:40    阅读次数:191
[BestCoder Round #3] hdu 4909 String (状压,计数)
String Problem Description You hava a non-empty string which consists of lowercase English letters and may contain at most one '?'. Let's choose non-empty substring G from S (it can be G = S...
分类:其他好文   时间:2014-08-05 19:29:50    阅读次数:240
HDU - 1403 - Longest Common Substring
先上题目:Longest Common SubstringTime Limit: 8000/4000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4010Accepted Submissi...
分类:其他好文   时间:2014-08-05 18:43:09    阅读次数:255
LeetCode第五题,Longest Palindromic Substring
题目原文: 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. 题意解析: 最长回文子串。就是...
分类:其他好文   时间:2014-08-05 15:56:59    阅读次数:290
Palindrome Partitioning II Leetcode java
题目:Given a string s, partition s such that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partition....
分类:编程语言   时间:2014-08-05 13:32:29    阅读次数:252
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