摘要: Description Link. \(n\) distinct integers \(x_1,x_2,\ldots,x_n\) are written on the board. Nezzar can perform the following operation multiple times. 阅读全文
posted @ 2021-05-10 14:20 cirnovsky 阅读(80) 评论(0) 推荐(0) 编辑