Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 11049   Accepted: 3767   Special Judge Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the…

题目 John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the couple who get married on that day will be forever blessed by the God of Love. This year N couples plan to g…

2-SAT 输出可行解 找可行解的方案就是: 根据第一次建的图建一个反图..然后求逆拓扑排序,建反图的原因是保持冲突的两个事件肯定会被染成不同的颜色 求逆拓扑排序的原因也是为了对图染的色不会发生冲突,输出可行解就是遍历一次逆拓扑排序时染成的颜色,输出同一组颜色的解就是其中的一组可行解.   代码: #include <stdio.h> #include <iostream> #include <string.h> #include <stack> #incl…

2-SAT. 读入用了黄学长的快速读入,在此膜拜感谢. 把每对时间当作俩个点.如果有交叉代表相互矛盾. 然后tarjan缩点,这样就能得出当前的2-SAT问题是否有解. 如果有解,跑拓扑排序就能找出一个特定的解. #include<cstdio> #include<algorithm> #include<cstring> using namespace std; + ; + ; inline int read() //by hzwer 实在太好了..我用下..跪谢. {…

题目 John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the couple who get married on that day will be forever blessed by the God of Love. This year N couples plan to g…

POJ 3683 Priest John's Busiest Day / OpenJ_Bailian 3788 Priest John's Busiest Day(2-sat问题) Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the couple w…

Priest John's Busiest Day   Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old legend in the town that the couple who get married on that day will be forever blessed by the God o…

http://poj.org/problem?id=3683 2-sat 问题判定,输出一组可行解 http://www.cnblogs.com/TheRoadToTheGold/p/8436948.html 注: 本代码在判断两个时间段部分有误,数据弱A了 #include<cstdio> #include<vector> using namespace std; #define N 1001 struct TIME { int h1,m1; int h2,m2; int tim…

Priest John's Busiest Day Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 6900   Accepted: 2363   Special Judge Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old le…

Priest John's Busiest Day Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 10010   Accepted: 3425   Special Judge Description John is the only priest in his town. September 1st is the John's busiest day in a year because there is an old l…