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原创 hihocoder中的逆序排队

#1141 : 二分·归并排序之逆序对题目如下：----------------------------------Time Limit:10000msCase Time Limit:1000msMemory Limit:256MB描述在上一回、上上回以及上上上回里我们知道Nettle在玩《艦これ》。经过了一番苦战之后，Nettl

2015-04-07 15:56:06 554

转载 fedora 添加源

装个LaTeX花了两个小时，实在太慢了，于是网上找到了一些国内源，mark一下~~~~from: http://www.cnblogs.com/bo083/archive/2011/06/07/2152792.html1. 添加搜狐的源进入网站http://mirrors.sohu.com/，在左边找到fedora目录，点击该行右边的help, 然后下载fedora

2015-01-21 22:15:16 504

原创 [leetcode] Valid Parentheses

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the correct order, "()" and "()[]{}" are all va

2015-01-17 13:46:10 383

原创 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,c

2015-01-17 12:01:05 353

原创 [leetcode] Longest Common Prefix

Write a function to find the longest common prefix string amongst an array of strings.Solution: We need a template to store the current longest prefix string. The template will be updated in

2015-01-15 19:12:17 326

原创 [leetcode] Container With Most Water

Given n non-negative integers a1, a2, ...,an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of linei is at (i, ai) and (i, 0). Find

2015-01-15 14:19:46 357

原创 [leetcode] Regular Expression Matching

Implement regular expression matching with support for '.' and '*'.'.' Matches any single character.'*' Matches zero or more of the preceding element.The matching should cover the entire input

2015-01-15 09:24:54 500

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