#include <iostream>
#include <iomanip>
using namespace std;

int pascalTri(int rows, int columns);

int main()
{
   int rows, i =1;

   cout<<"Enter number of rows you want displayed"<<endl;
   cin>>rows;

   if (rows <= 0)
       cout << "The number of rows must be a non-negative number" << endl;

   for (rows ; i <= rows; rows--)
   {
       for(int columns=1; columns <= rows; columns++)
           {
               for(rows; columns <= rows; columns++)
                   cout <<setw(6)<< pascalTri(rows, columns);
           }
       cout<<endl;
   }

   system ("pause");
   return 0 ;
}


int pascalTri(int rows, int columns)
{
   if ((columns == 1) || (columns == rows))
       return 1;

       return (pascalTri(rows-1, columns-1) + pascalTri(rows-1, columns));
}

   for (rows ; i <= rows; rows--)
   {
       for(int columns=1; columns <= rows; columns++)
           {
               for(rows; columns <= rows; columns++)
                   cout <<setw(6)<< pascalTri(rows, columns);
           }
       cout<<endl;
   }

   for (; rows >= 0; rows--)
   {
       for(int columns=1; columns <= rows; columns++)
           {
                   cout <<setw(6)<< pascalTri(rows, columns);
           }
       cout<<endl;
   }