list0712.cpp

teach yourself C++ in 21 days 第五版

//Listing 7.12 illustrating
//empty for loop statement

#include <iostream>

int main()
{
   int counter=0;      // initialization
   int max;
   std::cout << "How many hellos?";
   std::cin >> max;
   for (;;)            // a for loop that doesn't end
   {
      if (counter < max)     // test
      {
         std::cout << "Hello! " << std::endl;
         counter++;          // increment
      }
      else
         break;
   }
   return 0;
}