#include <cs50.h>
#include <stdio.h>

int main(void)
{
    int n;

    do
    {
        printf("Type a positive number between 0 and 23:   ");
        n = GetInt();
    }
    while ((n<0) || (n>23));

    for (int i = 0; i < n; i++)
    {
    for (int x = 1; x <= n-i-1; x++)
       printf(" ");
    for (int e = 1; e <= i+2; e++)
       printf("#");
       printf("\n");
    }

}