volume.cpp

来自「C++ 这是国外计算机科学教材系列《big C++》书本的源代码ch2」· C++ 代码 · 共 25 行

#include <iostream>

using namespace std;

int main()
{  
   double bottles;

   cout << "How many bottles do you have? ";
   cin >> bottles;

   double cans;
   cout << "How many cans do you have? ";
   cin >> cans;

   const double BOTTLE_VOLUME = 2.0;
   const double CAN_VOLUME = 0.355;
   double total = bottles * BOTTLE_VOLUME 
      + cans * CAN_VOLUME;

   cout << "The total volume is " << total << " liter.\n";

   return 0;
}