2018年8月4日
商务旅行
摘要： 商务旅行 时间限制: 1 s 空间限制: 128000 KB <!-- clearfix --> 时间限制: 1 s 空间限制: 128000 KB 时间限制: 1 s 时间限制: 1 s 空间限制: 128000 KB 空间限制: 128000 KB 题目描述 Description 某首都城市的 阅读全文
posted @ 2018-08-04 21:13 1371767389 阅读(181) 评论(0) 推荐(0) 编辑
Generation I
摘要： Generation I Oak is given N empty and non-repeatable sets which are numbered from 1 to N. Now Oak is going to do N operations. In the i-th operation, 阅读全文
posted @ 2018-08-04 20:44 1371767389 阅读(138) 评论(0) 推荐(0) 编辑
Heritage of skywalkert
摘要： Heritage of skywalkert skywalkert, the new legend of Beihang University ACM-ICPC Team, retired this year leaving a group of newbies again. Rumor has i 阅读全文
posted @ 2018-08-04 18:19 1371767389 阅读(240) 评论(0) 推荐(0) 编辑