1
2      1
3      3     1
4      6     4      1
5    10   10     5     1


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

void main()
{
    int n;
    clrscr();
    cout<<"Enter how many line you need to make pyramid = ";
    cin>>n;
    int k;
    for(int i=1;i<=n;i++)
    {
       k=1;
       for(int j=1;j<=i;j++)
       {
          k=k*(i-j+1)/j;
          cout<<"    "<<k;
       }
       printf("\n");
    }

    getch();
}

///////////////////////////////////////////////////////////////////////////
Copy & paste this code in your TC & run, then you will get output.......
If you have any problem please comment below.........