摘要: 题意: f(x) = a0+a1*x+ +an*x^(n-1) , g(x) = b0+b1*x+ +bn*x^(n-1),h(x) = f(x)*g(x),问h(x)的哪一项系数模p!=0 题解: h[i+j]=sigma{a[i]*b[j]} a[]%p={0,0,0,非0,..} b[]%p= 阅读全文
posted @ 2020-03-05 18:39 FZU_LH 阅读(148) 评论(0) 推荐(0) 编辑