摘要: https://www.luogu.org/problemnew/show/P304 1 #include <bits/stdc++.h> 2 #define up(i,l,r) for(register int i = (l); i <= (r); ++i) 3 #define dn(i,l,r) 阅读全文
posted @ 2019-03-21 10:56 陈星卿 阅读(82) 评论(0) 推荐(0) 编辑