【C++ Primer Plus 编程练习】 2.7

#include <iostream>
using namespace std;

int main()
{
cout << "Your name : FZQL." << endl ;
cout << "Your address : Mars." << endl ;
}

#include <iostream>
#include <fstream>
using namespace std;

int main()
{
double n ;
cin >> n ;
cout << n * 220 << endl ;
}

#include <iostream>
using namespace std;

void fun1(void)
{
cout << "Three blind mice" << endl ;
}

void fun2(void)
{
cout << "See how they run" << endl ;
}

int main()
{
fun1() ;
fun1() ;
fun2() ;
fun2() ;
}

#include <iostream>
using namespace std;

void fun1(void)
{
cout << "Three blind mice" << endl ;
}

void fun2(void)
{
cout << "See how they run" << endl ;
}

int main()
{
fun1() ;
fun1() ;
fun2() ;
fun2() ;
}

#include <iostream>
using namespace std;

double fun( double a )
{
return a * 63240 ;
}

int main()
{
double l , u ;
cout << "Enter the number of light years: " ;
cin >> l ;
u = fun(l) ;
cout << l << " light years = " << u << " astronomical units." << endl ;
}

#include <iostream>
using namespace std;

void fun( int a , int b )
{
cout << "Time: " << ( a + b / 60 ) % 24 << ":" << b % 60  << endl ;
}

int main()
{
int h , m ;
cout << "Enter the number of hours: " ;
cin >> h ;
cout << "Enter the number of minutes: " ;
cin >> m ;
fun( h , m ) ;
}