express.cpp

来自「C++&datastructure书籍源码,以前外教提供现在与大家共享」· C++ 代码 · 共 19 行

#include <iostream>
using namespace std;

// illustrates problems with evaluating
// arithmetic expressions

int main()
{
    double dfahr;

    cout << "enter a Fahrenheit temperature ";
    cin >> dfahr;
    cout << dfahr << " = "
         << 5/9 * (dfahr - 32.0)
         << " Celsius" << endl;
    
    return 0;
}