BF2S Forums Help With C - Pascal's Triangle

# include <stdio.h>

//This is a function to provide the spacing for the triangle
void spaces(void)
{
        printf("     ");
}

//This is a function to calculate the factorial of n
int factorial(int n)
{
        int x;
        int y=1;
        for(x=1; x<=n; x++)
        {
                y=y*x;
        }
        return y;
}

//This function calculates ncr - the number in each place of the triangle
//It uses the previous factorial function to do so
int choose(int n, int r)
{
        int x;
        x=(factorial(n))/((factorial(n))*(factorial(n-r)));
        return x;
}

    
   //This function calculates ncr - the number in each place of the triangle
//It uses the previous factorial function to do so
int choose(int n, int r)
{
        int x;
        x=(factorial(n))/((factorial(n))*(factorial(n-r)));
        return x;
}

//This function prints the triangle
//It uses the spaces and choose functions to do so
void triangle(int n)
{
        int row;
        int col;
        int x;
        int y=n-1;
        //This statement decides where to put spaces and numbers depending on the input and using the choose function
        for(row=1; row<=n; row++)
        {
                for(col=0; col<row; col++)
                {
                        if(col==0)
                        {
                for(x=y; x>0; x--)
                                {
                                        printf("    ");
                                }
                        y--;
                        }
                }
                printf("%d", choose(row - 1, col));
                //This statement chooses how much space to print depending on the number of digits in the surrounding numbers
                if(((choose(row-1, col)/10)!=0)&&(choose(row-1, col)/100==0))
                {
                        printf("    ");
                }
                else if(((choose(row-1, col)/10)!=0)&&(choose(row-1, col)/100!=0))
                {
                        printf("   ");
                }
                else
                {
                        spaces ();
                }
        }
        printf("\n");
}

//This is the main function of the program
//It asks and scans for the number of rows in the program
int main (void)
{
        printf("What is the number of rows in Pascal's triangle? ");
        int rows;
        scanf("%d", &rows);
        //This ensures the program is repeated while rows is greater than or equal to 0
        while (rows>=0)
        {
                //This statement makes the triangle function run when rows is greater than 0
                if(rows!=0)
                {
                triangle (rows);
                }
                printf("What is the number of rows in Pascal's triangle? ");
                scanf("%d", &rows);
        }
        return 0;
}