Symmetric Matrix 牛客网暑期ACM多校训练营(第一场) B dp 组合数学
摘要:
Count the number of n x n matrices A satisfying the following condition modulo m. * Ai, j ∈ {0, 1, 2} for all 1 ≤ i, j ≤ n. * Ai, j = Aj, i for all 1 阅读全文
posted @ 2018-07-20 16:05 九月旧约 阅读(173) 评论(0) 推荐(0) 编辑