摘要: 题意有一块圆形浮冰,其边缘上有2n(n#include#include#include#includeusing namespace std;typedef long long LL;const int SIZE=200010;LL N,Bsize;int match... 阅读全文
posted @ 2015-06-23 22:32 cstdio 阅读(286) 评论(0) 推荐(0) 编辑