题意:一个小镇里面只有一个牧师,现在有些新人要结婚,需要牧师分别去主持一个仪式,给出每对新人婚礼的开始时间 s 和结束时间 t ,还有他们俩的这个仪式需要的时间(每对新人需要的时间长短可能不同) d ,牧师可以在婚礼开始的时间 d 内(s 到 s+d)或者是结束前的时间 d 内(t - d 到 t)完成这个仪式.现在问能否给出一种安排,让牧师能完成所有夫妇婚礼的仪式,如果可以,输出一种安排. #include <iostream> #include <cstdio> #includ…
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 / 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…
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…
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: 11127 Accepted: 3785 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…
Genealogical tree Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3674 Accepted: 2445 Special Judge Description The system of Martians' blood relations is confusing enough. Actually, Martians bud when they want and where they want. T…
Description Katu Puzzle is presented as a directed graph G(V, E) with each edge e(a, b) labeled by a boolean operator op (one of AND, OR, XOR) and an integer c (0 ≤ c ≤ 1). One Katu is solvable if one can find each vertex Vi a value Xi (0 ≤ Xi ≤ 1) s…
Scrambled Polygon Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 10841 Accepted: 5085 Description A closed polygon is a figure bounded by a finite number of line segments. The intersections of the bounding line segments are called the…
2-SAT简单题,判断一下两个开区间是否相交 #include<cstdio> #include<cstring> #include<cmath> #include<queue> #include<vector> #include<stack> #include<algorithm> using namespace std; +; int N,M; struct Time { int Start; int End; int…
Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize transmission to others, the best strategy is to separate the suspects from others. In t…
这是一道裸的2-Sat,只要考虑矛盾条件的判断就好了. 矛盾判断: 对于婚礼现场 x 和 y,x 的第一段可以和 y 的第一段或者第二段矛盾,同理,x 的第二段可以和 y 的第一段或者第二段矛盾,条件是 x 的 1或2 段与 y 的 1或2 段有重合,那么选了 x 某一段就不能选择其矛盾的那一段,那就只能选择 y 中的另一段,建立一条 x (u)-> y ( v的对立 ),同理,x (u的对立)<- y ( v ) . 真的,2-sat千万不要用邻接链表!!!卡死卡死卡死!!!稠密图!!!不要…
