2018年8月16日
UVALive - 3644 X-Plosives （并查集）
摘要： A secret service developed a new kind of explosive that attain its volatile property only when a specific ... 阅读全文
posted @ 2018-08-16 17:39 衍射 阅读(84) 评论(0) 推荐(0)
CodeForces - 767C Garland
摘要： Once at New Year Dima had a dream in which he was presented a fairy garland. A garland is a set of lamps, ... 阅读全文
posted @ 2018-08-16 16:06 衍射 阅读(126) 评论(0) 推荐(0)