摘要: 雪藏到NOIP2018结束 JU_force #include <bits/stdc++.h> const int oo=2147483000; #define sc(x) scanf("%d",&x) const int N=2001000; #define PI 3.14159265358979 阅读全文
posted @ 2018-08-17 16:36 惜梦园 阅读(156) 评论(0) 推荐(0)