摘要: 题目 题目链接:http://poj.org/problem?id=3177 In order to get from one of the F (1 <= F <= 5,000) grazing fields (which are numbered 1..F) to another field, 阅读全文
posted @ 2021-08-14 19:04 _comet 阅读(42) 评论(0) 推荐(0) 编辑