4.8－指针返回值.cpp

Visual C++的课件

//Listing 9.8
// Returning multiple values from a function

#include <iostream.h>

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 << "\n";
		cout << "square: " << squared << "\n";
		cout << "cubed: "  << cubed   << "\n";
	}
	else
		cout << "Error encountered!!\n";
	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;
}