2017年10月15日
Codeforces Round #440 (Div. 2)(ABC)
摘要： A. Search for Pretty Integers You are given two lists of non-zero digits. Let's call an integer pretty if its (base 10) representation has at least on 阅读全文
posted @ 2017-10-15 18:31 starry_sky 阅读(302) 评论(0) 推荐(0)
Codeforces Round #439 (Div. 2)（ABC）
摘要： A. The Artful Expedient After Karen have found the deterministic winning (losing?) strategy for rock-paper-scissors, her brother, Koyomi, comes up wit 阅读全文
posted @ 2017-10-15 18:22 starry_sky 阅读(268) 评论(0) 推荐(0)