摘要: Prufer Code Time limit: 0.25 secondMemory limit: 8 MB A tree (i.e. a connected graph without cycles) with vertices is given (N ≥ 2). Vertices of the t 阅读全文
posted @ 2016-11-03 18:03 贱人方 阅读(415) 评论(0) 推荐(0) 编辑