摘要: 2820: YY的GCD Time Limit: 10 Sec Memory Limit: 512 MBSubmit: 2646 Solved: 1454[Submit][Status][Discuss] Description 神犇YY虐完数论后给傻×kAc出了一题给定N, M,求1<=x<=N, 阅读全文
posted @ 2018-05-23 21:37 Heey 阅读(106) 评论(0) 推荐(0)