2018年11月1日
洛谷P1550 [USACO08OCT]打井Watering Hole
摘要： 题目背景 John的农场缺水了！！！ 题目描述 Farmer John has decided to bring water to his N (1 <= N <= 300) pastures which are conveniently numbered 1..N. He may bring wa 阅读全文
posted @ 2018-11-01 17:05 暗燚 阅读(197) 评论(0) 推荐(0) 编辑