2018年4月4日
Luogu P2970 [USACO09DEC]自私的放牧
摘要： https://www.luogu.org/problemnew/show/P2970 P2970 [USACO09DEC]自私的放牧 题目描述 Each of Farmer John's N (1 <= N <= 50,000) cows likes to graze in a certain p 阅读全文
posted @ 2018-04-04 16:22 Mystical-W 阅读(162) 评论(0) 推荐(0) 编辑