摘要: B2.Koa and the Beach (Hard Version) 题目链接:https://vjudge.net/problem/CodeForces-1384B2 官方题解:https://codeforces.com/blog/entry/80562 解题思路:真的神仙Div2(太菜了QA 阅读全文
posted @ 2020-07-26 10:32 mcalex 阅读(353) 评论(1) 推荐(0) 编辑