list0703.cpp

teach yourself C++ in 21 days 第五版

// Listing 7.3
// Complex while statements
#include <iostream>

int main()
{
   using namespace std;
   unsigned short small;
   unsigned long  large;
   const unsigned short MAXSMALL=65535;
  
   cout << "Enter a small number: ";
   cin >> small;
   cout << "Enter a large number: ";
   cin >> large;
  
   cout << "small: " << small << "...";
  
   // for each iteration, test two conditions
   while (small < large  && small < MAXSMALL)
   {
      if (small % 5000 == 0)  // write a dot every 5k lines
         cout << ".";
  
      small++;
      large-=2;
   }
  
   cout << "\nSmall: " << small << " Large: " << large << endl;
   return 0;
}