题目题目描述JSZKC is the captain of the lala team. There are N girls in the lala team. And their height is [1,N] and distinct. So it means there are no two girls with a same height. JSZKC has to arrang...
题目题目描述JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn’t want to wear a singer color T-shirt since others will consider ...
题目链接http://codeforces.com/contest/987/problem/D题目Some company is going to hold a fair in Byteland. There are n towns in Byteland and m two-way roads between towns. Of course, you can reach any town...