摘要: 1. 高斯消元 求矩阵逆, 增广单位阵然后消元 求行列式, 先消元后对角线乘积即为行列式 https://codeforces.com/contest/832/submission/61763466 (取模) https://codeforces.com/contest/1344/submissio 阅读全文
posted @ 2020-06-25 01:04 dz8gk0j 阅读(184) 评论(0) 推荐(0) 编辑