2017年6月5日
[Usaco2016 Open]Diamond Collector
摘要： 题目描述 Bessie the cow, always a fan of shiny objects, has taken up a hobby of mining diamonds in her spare time! She has collected N diamonds (N≤50,000) 阅读全文
posted @ 2017-06-05 16:26 J_william 阅读(677) 评论(0) 推荐(0) 编辑