#include <cs50.h>
#include <stdio.h>
int main(void)
{
int n;
do
{
n = get_int("Length: ");
}
while (n < 1);
int array[n];
array[0] = 1;
int i = 1;
do
{
array[i] = array[i - 1] * 2;
i++;
}
while (i < n);
for (int j = 0; j < n; j++)
{
printf("%i\n", array[j]);
}
}