#include <iostream>
//compare_three_loops1.cpp 
using namespace std;
int main ()
{
 int j=0;int i =0; 
  ///
  cout<< " for loop \n"; 
 for(int x=0; x<=10; x++){ cout << x<<" ";}
 cout<<endl;
 cout << " while loop " <<endl; 
 while(i <=10){
	    i++; 
	    cout <<  i << " " ; 
		}
  cout <<endl;
  cout << " do-while loop " <<endl; 
	do
	{  j++;
		cout << j << " "; 
	}while(j <=10);//
	 cout <<endl;
  return 0;
}