摘要: 原题链接 题意:\(A_i = A_{i-1}\times A_x + A_y,B_i = B_{i-1}\times B_x + B_y\),给出$A_0,B_0,A_x,B_x,A_y,B_y$求,\(\sum ^{n-1}_{i = 0}A_i\times B_i\),$0<=n<=1e18$ 阅读全文
posted @ 2021-03-28 10:23 u_yan 阅读(39) 评论(0) 推荐(0) 编辑