#include <stdio.h>
void main()
{
    int x,y,n,a,z,s;
    printf("Enter the limit: ");
    /*limit implies number second from edge in Pascal's tringle*/
    scanf("%d",&n);
    printf("\n\n");

    s=n;
    for(x=0; x<=n; x++)
    {
        a=1;
        for(z=s; z>=0; z--)
            printf(" ");

        s--;/* s is for printing the space*/
        for(y=0; y<=x; y++)
        {
            printf("%d ",a);
            a=a*(x-y)/(y+1);
			 /* cell value for next iteration will be calculated in current iteration as:
			 a = [ a * ( row_val - col_val ) ] / ( col_val + 1 ) */
        }
        printf("\n");
    }
    getch();
}