摘要: 题目链接: http://poj.org/problem?id=2826 题目描述: An Easy Problem?! Description It's raining outside. Farmer Johnson's bull Ben wants some rain to water his 阅读全文
posted @ 2017-06-18 09:00 hyp1231 阅读(246) 评论(0) 推荐(0) 编辑