TomiokapEace

摘要： 题目链接 Description Ena and Mizuki are playing a game. There are n items in front of them, numbered from \(1\) to \(n\). The value of the \(i\)-th item i 阅读全文

摘要： 题目链接 Description Alice uses the excellent property of the matrix \(A^TA\) to find the determinant of the matrix \(A^TA\). Recall that the determinant 阅读全文