//寒假训练赛，第一次拿第一，感觉很爽哦，AC3题！A--------------------------------------------------------------------------------------------题目链接：http://codeforces.com/problemset/pro...

A-------------------------------------------------------------------------------------------题目链接：http://codeforces.com/problemset/problem/714/A解题思路:【题意】Sonya每天只...

https://vjudge.net/contest/149692#overview 这周一VJ比赛，题解&源码已完成！A.........................................................................................题...