下列程序段的时间复杂度是( )。for (i=1; i<=m1; ++i) for (j=1; j<=n2; ++j) Q[i][j] = 0;for (i=1; i<=m1; ++i) for (j=1; j<=n2; ++j) for (k=1; k<=n1; ++k) Q[i][j] += M[i][k] * N[k][j];选项: A:O(m1*n2); B:O(m1*n2*n1); C:O(m1+n2*n1); D:O(m1*n2+n1*n2); E:O(m1*n2+n1*n2+m1*n1) 程序 复杂度 下列 发布时间:2024-06-10 19:16:07