2015年6月7日
codeforces Looksery Cup 2015 H Degenerate Matrix
摘要： The determinant of a matrix 2 × 2 is defined as follows:A matrix is called degenerate if its determinant is equal to zero.The norm ||A... 阅读全文
posted @ 2015-06-07 13:14 Herumw 阅读(101) 评论(0) 推荐(0) 编辑