2018年6月30日
Bad Cowtractors（最大生成树）
摘要： Description Bessie has been hired to build a cheap internet network among Farmer John's N (2 <= N <= 1,000) barns that are conveniently numbered 1..N. 阅读全文
posted @ 2018-06-30 08:52 王陸 阅读(361) 评论(0) 推荐(0)