Program Print Number Triangle Upside

/*
Write a C++ Program to display the following
Number Triangle output by nested for loop.
1
12
123
1234
12345

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*/

#include<iostream.h>

#include<conio.h>

void main()
{

  clrscr();

  int counter1, counter2;

  cout<<"\n\n ----------- Results ------------\n";

  for ( counter1 =1; counter1<=5; counter1++)

     {
        for(counter2=1; counter2<=counter1; counter2++)
        cout<<counter2;

        cout<<endl;
     }  

  getch();

}