loj6728 U 群把妹王

## loj6728 U 群把妹王 The most important part is the PIE coefficient. with out loss of generality, consider the case of 1 dimension. denote $p:n$ $p\in$ p
posted @ 2023-06-18 11:51  pigpigger  阅读(108)  评论(0)  编辑  收藏  举报