摘要: 题目链接:http://codeforces.com/gym/100553/attachments/download/2885/20142015-acmicpc-northeastern-european-regional-contest-neerc-14-en.pdf 首先bitset用法链接:h 阅读全文
posted @ 2019-09-26 11:17 cherish__lin 阅读(226) 评论(0) 推荐(0) 编辑