2017年9月2日
【构造】【规律】Codeforces Round #431 (Div. 2) - C. From Y to Y
摘要： C. From Y to Y Source http://codeforces.com/contest/849/problem/C Description Description From beginning till end, this message has been waiting to be 阅读全文
posted @ 2017-09-02 12:48 doub7e 阅读(234) 评论(0) 推荐(0) 编辑
【暴力】【几何】Codeforces Round #431 (Div. 2) - B. Tell Your World
摘要： B. Tell Your World Source http://codeforces.com/contest/849/problem/B Description Description Connect the countless points with lines, till we reach t 阅读全文
posted @ 2017-09-02 12:31 doub7e 阅读(197) 评论(0) 推荐(0) 编辑
【水题】Codeforces Round #431 (Div. 2) - A. Odds and Ends
摘要： A. Odds and Ends Source http://codeforces.com/contest/849/problem/A Description Description Where do odds begin, and where do they end? Where does hop 阅读全文
posted @ 2017-09-02 10:51 doub7e 阅读(282) 评论(0) 推荐(0) 编辑