int main()
{

    int k, n;
    int binary[100];
    printf("Enter the value in  decimal n ");
    scanf("%d", &k);
    n = (log(k * 1.0) / log(2 * 1.0)) + 1  ; //total no. of binary bits in this decimal

    for (int i = n; i > 0; i--)
        {
        binary[i] = k % 2;
        k /= 2;
        }

 return 0;

}