组合数打表

void CalcComb()
{
    c[0][0] = c[1][0] = c[1][1] = 1;
    for (int i = 2; i < MAX_N; ++i)
    {
        c[i][0] = c[i][i] = 1;
        for (int j = 1; j < i; ++j)
            c[i][j] = (c[i - 1][j] + c[i - 1][j - 1]) % MOD;
    }
}