题目链接 A.Race 题意:题解:AC代码 /* Author:zzugzx Lang:C++ Blog:blog.csdn.net/qq_43756519 */ #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define endl '\n' #define SZ(x) (int)x.s...