list0908.cpp

teach yourself C++ in 21 days 第五版

//Listing 9.8 - Returning multiple values from a function
  
#include <iostream>

using namespace std;
short Factor(int n, int* pSquared, int* pCubed);
  
int main()
{
    int number, squared, cubed;
    short error;
  
    cout << "Enter a number (0 - 20): ";
    cin >> number;
  
    error = Factor(number, &squared, &cubed);
  
    if (!error)
    {
       cout << "number: " << number << endl;
       cout << "square: " << squared << endl;
       cout << "cubed: "  << cubed   << endl;
    }
    else
       cout << "Error encountered!!" << endl;
    return 0;
}
  
short Factor(int n, int *pSquared, int *pCubed)
{
    short Value = 0;
    if (n > 20)
       Value = 1;
    else
    {
       *pSquared = n*n;
       *pCubed = n*n*n;
       Value = 0;
    }
    return Value;
}