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Single Number II
Given an array of integers, every element appears three times except for one. Find that single one. #include #include #include using namespace std; #define STOP system("pause") #if 0 class Soluti...
分类:其他好文   时间:2014-09-02 17:46:55    阅读次数:177
Postgresql - Pattern Matching
There are three separate approaches to pattern matching provided by?PostgreSQL: the traditional?SQL?LIKE?operator, the more recent?SIMILAR TO?operator (added in SQL:1999), and?POSIX-style r...
分类:数据库   时间:2014-09-01 12:44:23    阅读次数:380
TCP(Transmission Control Protocol)学习笔记
一、TCP(Transmission Control Protocol)原理介绍(参考维基百科) TCP连接包括三种状态:连接建立、数据传送和连接终止。 TCP用三路握手(three-way handshake)过程穿件一个连接。在连接创建过程中,很多参数要被初始化,例如序号被初始化以保证按序传输和...
分类:其他好文   时间:2014-08-31 17:12:31    阅读次数:156
[LeetCode系列]3元素最近和问题的O(n^2)解法
给定一个整数数组(长度不小于3) 和 一个目标值, 从数组中找出3个元素, 使得它们的和与目标值最接近, 返回这个和. 可以认为每个输入的组合都是只有唯一解的.解法思路参考: Finding three elements in an array whose sum is closest to an ...
分类:其他好文   时间:2014-08-28 22:38:06    阅读次数:212
UVA - 1378 A Funny Stone Game (SG定理)
Description The funny stone game is coming. There are n piles of stones, numbered with 0, 1, 2,..., n - 1. Two persons pick stones in turn. In every turn, each person selects three piles of stones...
分类:其他好文   时间:2014-08-28 16:15:29    阅读次数:523
codechef Sums in a Triangle题解
Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the second line, three in the third line, etc....
分类:其他好文   时间:2014-08-28 13:03:29    阅读次数:218
Beans Game(博弈 | | DP)zoj 3057
Beans GameTime Limit: 5 Seconds Memory Limit: 32768 KBThere are three piles of beans. TT and DD pick any number of beans from any pile or the same num...
分类:其他好文   时间:2014-08-27 18:32:48    阅读次数:150
POJ 1579 Function Run Fun 记忆化搜索
Description We all love recursion! Don't we? Consider a three-parameter recursive function w(a, b, c): if a 1 if a > 20 or b > 20 or c > 20, then w(a, b, c) returns: w(20, 20, 20) if a...
分类:其他好文   时间:2014-08-27 16:44:18    阅读次数:229
poj 1006 Biorhythms (中国剩余定理学习)
Biorhythms Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 113517   Accepted: 35597 Description Some people believe that there are three cycles in a person...
分类:其他好文   时间:2014-08-26 15:29:06    阅读次数:389
LeetCode: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....
分类:其他好文   时间:2014-08-24 19:14:43    阅读次数:211
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