摘要: P1550 [USACO08OCT]打井Watering Hole 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 convenien 阅读全文
posted @ 2018-04-25 19:35 Mystical-W 阅读(191) 评论(0) 推荐(0) 编辑