题意:题解有翻译,然后自己拦截对手时候可以任意走,当然是直线最快啦 题解:http://www.cnblogs.com/qscqesze/p/4931912.html #include<bits/stdc++.h>using namespace std;#define LL long long#define pb push_back#define X first#define Y
Polycarp is a head of a circus troupe. There are n — an even number — artists in the troupe. It is known whether the i-th artist can perform as a clown (if yes, then ci=1, otherwise ci=0), and whether