2019年6月11日
J - Association of Cats and Magical Lights Kattis - magicallights （树状数组+dfs序）
摘要： Rar the Cat((™)) is the founder of ACM (Association of Cats and Magical Lights). This is the story of the founding of ACM. It is the second half of th 阅读全文
posted @ 2019-06-11 23:28 cherish__lin 阅读(313) 评论(0) 推荐(0) 编辑