#include<stdio.h>
#include<conio.h>
int main()
{
    int row, col, space,num;

    //lets create a loop for rows here we have 5 rows

    for(row=1;row<=5;row++)
    {
        //lets create space on left side
        for(space=1;space<=5-row;space++)
        {
            printf(" ");
        }

        //create a for loop for pattern
        for(col=1;col<=row;col++)
        {
            printf("%d ",fact(row, col));
        }

        printf("\n");
    }
    return 0;
}

//we are creating another function fact because we have to use recursion here

int fact(int i, int j)
{
    if(j == 1 || j == i)
        return 1;
    else
        return fact(i-1, j-1) + fact(i-1, j);
}