complexwhile.cpp

24学时攻克C++光盘源代码 深入浅出 方便实用

 // Listing 6.2
 // Complex while statements
 #include <iostream>

 int main()
 {
     unsigned short small;
     unsigned long  large;
     const unsigned short MAXSMALL=65535;

     std::cout << "Enter a small number: ";
     std::cin >> small;
     std::cout << "Enter a large number: ";
     std::cin >> large;

     std::cout << "small: " << small << "...";

      // for each iteration, test three conditions
     while (small < large && large > 0 && small < MAXSMALL)
     {
         if (small % 5000 == 0)  // write a dot every 5k lines
             std::cout << ".";

         small++;

         large-=2;
     }

     std::cout << "\nSmall: " << small
               << " Large: "  << large << std::endl;
     return 0;
 }