HDU 4115 Eliminate the Conflict pid=4115">题目链接 题意:Alice和Bob这对狗男女在玩剪刀石头布.已知Bob每轮要出什么,然后Bob给Alice一些限制,1表示i轮和j轮Alice必须出不一样的,0表示必须出一样的.假设Alice有一局输了就算输了,否则就是赢,问Alice能否赢 思路:2-sat问题,已经Bob出什么,Alice要么就出赢的要么就出平的,然后加上m个约束就是2-sat问题了 代码: #include <cstdio>…

Eliminate the Conflict Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1315    Accepted Submission(s): 563 Problem Description Conflicts are everywhere in the world, from the young to the elder…

Problem Description Conflicts are everywhere in the world, from the young to the elderly, from families to countries. Conflicts cause quarrels, fights or even wars. How wonderful the world will be if all conflicts can be eliminated.Edward contributes…

2-SAT,拆成六个点. #include<cstdio> #include<cstring> #include<cmath> #include<stack> #include<queue> #include<algorithm> using namespace std; +; int T,N,M; stack<int>S; vector<int>G[maxn]; vector<int>FG[max…

Problem Description Conflicts are everywhere in the world, from the young to the elderly, from families to countries. Conflicts cause quarrels, fights or even wars. How wonderful the world will be if all conflicts can be eliminated. Edward contribute…

/* 意甲冠军:石头剪子布,目前已知n周围bob会有什么,对alice限制.供u,v,w:设w=0说明a,b回合必须出的一样 否则,必须不一样.alice假设输一回合就输了,否则就赢了 解: 2-sat alice有两个选择要么平手要么赢. 对于第u回合,alice能够出au,bu: 对于第v回合,alice能够出av,bv: 当w=0那么第u回合和第v回合必须同样 比較au和bu.bv是否矛盾,假设矛盾建两条边 比較av和bu. bv是否矛盾,假设矛盾建两条边 当w=1第u回合和第v回合必须不…

HDU 4041 Eliminate Witches! (模拟题 ACM ICPC 2011 亚洲北京赛区网络赛题目) Eliminate Witches! Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 863    Accepted Submission(s): 342 Problem Description Kaname Mado…

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Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8984    Accepted Submission(s): 4594 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球…

Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7941    Accepted Submission(s): 4070 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球…