Poj 3683-Priest John's Busiest Day 2-sat,拓扑排序

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POJ 3683 Priest John's Busiest Day / OpenJ_Bailian 3788 Priest John's Busiest Day(2-sat问题)

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…

POJ 3683 Priest John's Busiest Day（2-SAT+方案输出）

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…

POJ 3683 Priest John's Busiest Day （2-SAT）

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…

POJ 3683 Priest John's Busiest Day（2-SAT 并输出解）

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 of Love. This year N couples…

poj - 3683 - Priest John's Busiest Day（2-SAT）

题意:有N场婚礼,每场婚礼的开始时间为Si,结束时间为Ti,每场婚礼有个仪式,历时Di,这个仪式要么在Si时刻开始,要么在Ti-Di时刻开始,问能否安排每场婚礼举行仪式的时间,使主持人John能参加所有的这些仪式的全过程. 题目链接:http://poj.org/problem?id=3683 ——>>每场婚礼的仪式,要么在开始段举行,要么在结束段举行,且一定要举行,要求各场婚礼仪式没冲突——>>2-SAT... 2-SAT挺神,针对此类问题,可谓手到擒来... LJ<训练指…

POJ 3683 Priest John's Busiest Day (2-SAT)

题意:有n对新人要在同一天结婚.结婚时间为Ti到Di,这里有时长为Si的一个仪式需要神父出席.神父可以在Ti-(Ti+Si)这段时间出席也可以在(Di-Si)-Si这段时间.问神父能否出席所有仪式,如果可以输出一组时间安排. 思路:2-SAT.神父可以在开始出席也可以在结束时候出席,要求与其他出席时间没有冲突,这样建图计算即可.另一一定要弄清楚true和false代表的含义. #include <cstdio> #include <cmath> #include <vecto…

POJ 3683 Priest John's Busiest Day (2-SAT，常规)

题意: 一些人要在同一天进行婚礼,但是牧师只有1个,每一对夫妻都有一个时间范围[s , e]可供牧师选择,且起码要m分钟才主持完毕,但是要么就在 s 就开始,要么就主持到刚好 e 结束.因为人数太多了,这些时间可能会重叠,可能还会完全包含,可能还没有交叉,各种情况.问牧师能否主持完全部人的婚礼,若可以,给出每对夫妻占用牧师的一个时间段(记得按所给的夫妻的顺序哦). 主要步骤如下. (1)先建原图,不管是否会冲突. (2)找强连通分量来缩点,如果会冲突,这个时候应该发现. (3)建个缩点后,原图的…