A Sweep the answer from left to right. If it is equal to n, output n, otherwise sweep from right to left again, and then the original Add the answer to the answer
#include #include using nam
Tag: cf
CF843D-DYNAMIC-ShortestPath (Dynamic Short Off)
Dynamic Shortest Path: CF843D Dynamic Shortest Path Question:
There is a \(n\) a point \(m\) edge directed weighted graph, \ (q\) Inquiries:
1 \(1 v\) Inquiries from \(1\) to the shortest p
CF1105D-KILANI AND THE GAME- (Multi-directional BFS)
http://codeforces.com/problemset/problem/1105/D
The meaning of the title: There is a matrix area. At the beginning, there are multiple forces such as 1, 2, 3, 4….9, starting from the force
CF915E Physical Education Lessons
Luogu Question: Question meaning: Alex does not want to be expelled. He wants to know how many working days are left at the end of the expiration period, so that he can Can earn physical education