Pascal Triangle

Version 1.0

#include <stdio.h>
#include<conio.h>

long factorial(int);
int main()
{
	int i, n, c;
	printf("Enter the number of rows you wish to see in pascal triangle\n");
	scanf_s("%d", &n);
	for (i = 0; i < n; i++)
	{
		for (c = 0; c <= (n - i - 2); c++)
			printf(" ");
		for (c = 0; c <= i; c++)
			printf("%ld ", factorial(i) / (factorial(c)*factorial(i - c)));
		printf("\n");
	}
	_getch();
	return 0;
}
long factorial(int n)
{
	int c;
	long result = 1;
	for (c = 1; c <= n; c++)
		result = result*c;
	return result;
}