摘要: CodeForces 547D Mike and Fish https://codeforces.com/contest/547/problem/D Tutorial https://codeforces.com/blog/entry/18126 二分图,左右分别有$2 \times 10^5$个节 阅读全文
posted @ 2020-07-13 20:21 LJZ_C 阅读(139) 评论(0) 推荐(0) 编辑
摘要: CodeForces 576E Paingting Edges ​ https://codeforces.com/contest/576/problem/E Tutorial https://blog.csdn.net/PoPoQQQ/article/details/48467731 首先,这一类在 阅读全文
posted @ 2020-07-13 16:37 LJZ_C 阅读(135) 评论(0) 推荐(0) 编辑
摘要: CodeForces 1361D Johnny and James https://codeforces.com/contest/1361/problem/D Tutorial https://codeforces.com/blog/entry/78355?f0a28=1 可以把这道题看作这样一个结 阅读全文
posted @ 2020-07-13 08:58 LJZ_C 阅读(232) 评论(0) 推荐(0) 编辑