#include <iostream>
#include <stdlib.h>

int wdid(int a[], int x, int len)
{
    int y = 0, tmp;
    for (int i = 0; i < len; i++)
    {
        tmp = 1;
        for (int k = 1; k < i; k++)
        {
            tmp *= x;
        }
        std::cout << "Tmp: " << tmp << std::endl;
        y += a[i] * tmp;
        std::cout << "Y: " << y << std::endl;
    }
    return y;
}

int main(int argc, char *argv[])
{
    int arr[] = { 1, 2, 3, 4, 5};
    size_t len = sizeof(arr)/sizeof(arr[0]);

    int res = wdid(arr, std::atoi(argv[1]), len);
    std::cout << "Answer:" << res << std::endl;
    return 0;
}

// g++ example.cc -o main && ./main 1