摘要: 贼惨 130/186 B Black Widow 简单题 #include <bits/stdc++.h> const long long mod = 1e9+7; const double ex = 1e-10; #define inf 0x3f3f3f3f using namespace std 阅读全文
posted @ 2017-08-07 20:25 myhappinessisall 阅读(286) 评论(0) 推荐(0) 编辑