摘要: 地址:http://poj.org/problem?id=1988 Description Farmer John and Betsy are playing a game with N (1 <= N <= 30,000)identical cubes labeled 1 through N. T 阅读全文
posted @ 2020-04-03 16:47 liyexin 阅读(202) 评论(0) 推荐(0)