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Strange Problem O(∩_∩)O~

题目描述: 古代某个狱卒某天闲着没事想和两个罪犯玩个游戏,他找了个国际象棋盘,每个格子放上一个硬币,硬币长得都一样,正反都是狱卒自己决定. 之后他只让A罪犯观看棋盘,并随便指一个硬币告诉A罪犯,只要B罪犯能选出这个硬币就释放A和B,之后A被允许选一个硬币翻面,然后A被带走了.接着B被带过来并被要求选一个硬币,如果他选到狱卒指的那个硬币就GE,反之GG. A和B只能在游戏开始前进行策略交流,游戏中无法交流,在被带到棋盘前时他们也完全不知道棋盘上的硬币正反如何. 问:那么A和B怎么做才能有最大几率被…

Codeforces Round #429 (Div. 2/Div. 1) [ A/_. Generous Kefa ] [ B/_. Godsend ] [ C/A. Leha and Function ] [ D/B. Leha and another game about graph ] [ E/C. On the Bench ] [ _/D. Destiny ]

PROBLEM A/_ - Generous Kefa 题 OvO http://codeforces.com/contest/841/problem/A cf 841a 解 只要不存在某个字母,它的个数大于k,即可 #include <iostream> #include <cstring> #include <cstdio> #include <algorithm> #include <cmath> using namespace std;…

GGS-DDU HDU - 4966

GGS-DDU Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1021    Accepted Submission(s): 504 Problem Description Do you think this is a strange problem name? That is because you don't know its…

*HDU3496 背包DP

Watch The Movie Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 7397    Accepted Submission(s): 2367 Problem Description New semester is coming, and DuoDuo has to go to school tomorrow. She deci…

【小白入门向】tarjan算法+codevs1332上白泽慧音 题解报告

一.[前言]关于tarjan tarjan算法是由Robert Tarjan提出的求解有向图强连通分量的算法. 那么问题来了找蓝翔!(划掉)什么是强连通分量? 我们定义:如果两个顶点互相连通(即存在A到B和B到A的通路),则称这两个点强连通.对于一个有向图G,若是G中任意两点都强连通,则称G是一个强连通图.有向图的极大强连通子图,称为该图的强连通分量. 对于下图,{1,2,3,4}.{5}.{6}分别是它的强连通分量. 那么tarjan是如何找到这些强连通分量的呢? 说白了tarjan就是dfs…

Watch The Movie

Watch The Movie Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 6661 Accepted Submission(s): 2121 Problem Description New semester is coming, and DuoDuo has to go to school tomorrow. She decides t…

HDU 3496 Watch The Movie（看电影）

HDU 3496 Watch The Movie(看电影) Time Limit: 1000MS   Memory Limit: 65536K [Description] [题目描述] New semester is coming, and DuoDuo has to go to school tomorrow. She decides to have fun tonight and will be very busy after tonight. She like watch cartoon…

C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Team Foundation\4.0\Cache\VersionControl.config is not valid and cannot be loaded.

Recently, we experienced a strange problem with TFS 2010. We spent a few days before we figured it out. Just want to share my knowledge on the problem that might help other people. It was working before with no problem for about 2 years. But suddenly…

Ubuntu 13.10 PHP 5.5.x mcrypt missing – Fatal Error: Undefined function mcrypt_encrypt()!

[原文]http://www.tuicool.com/articles/goto?id=myM7veR I had updgraded my Ubuntu from 13.04 to 13.10 last week and everything went quite good. The only problems that I faced as developer are: Apache 2.4 was not working with default previous installation…

TOJ3596 二维背包

3596.   Watch The Movie Time Limit: 2.0 Seconds   Memory Limit: 65536KTotal Runs: 424   Accepted Runs: 148 New semester is coming, and DuoDuo has to go to school tomorrow. She decides to have fun tonight and will be very busy after tonight. She like…