?? cubes.cpp
字號:
// cubes.cpp -- regular and reference arguments
#include <iostream>
double cube(double a);
double refcube(double &ra);
int main ()
{
using namespace std;
double x = 3.0;
cout << cube(x);
cout << " = cube of " << x << endl;
cout << refcube(x);
cout << " = cube of " << x << endl;
return 0;
}
double cube(double a)
{
a *= a * a;
return a;
}
double refcube(double &ra)
{
ra *= ra * ra;
return ra;
}
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