do {

        مجموعه دستورات   

      }while ( شرط مورد نظر );

#include <iostream.h>

int main()

{

   int counter = 1;

   do {

       cout << counter << " ";

      }while ( ++counter <= 10 );

   cout << endl;

   return 0;

}

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#include <iostream.h>

int main( )

{

  float mark;

  int howmany,counter=1;

  int passes=0,failures=0;

  cout << "How many marks : ";

  cin >> howmany;

  do {

      cout << "Enter mark "<<counter<<" : ";

      cin>>mark;

      if (mark>=10)

         ++passes;

      else

         ++failures;

     }while (++counter <= howmany);

  cout<<"Passed : "<<passes<<endl;

  cout<<"Failed : "<<failures<<endl;

  return 0;

}

How many marks : 10

Enter mark 1 : 18

Enter mark 2 : 15

Enter mark 3 : 9

Enter mark 4 : 17.5

Enter mark 5 : 9.75

Enter mark 6 : 8

Enter mark 7 : 11

Enter mark 8 : 13

Enter mark 9 : 5

Enter mark 10 : 13

Passed : 6

Failed : 4