returnwithptr.cpp

24小时攻克C++课本中的程序

 //Listing 11.7
 // Returning multiple values from a function
 #include <iostream>
 
 short Factor(int, int*, int*);
 
 int main()
 {
     int number, squared, cubed;
     short error;
 
     std::cout << "Enter a number (0 - 20): ";
     std::cin >> number;
 
     error = Factor(number, &squared, &cubed);
 
     if (!error)
     {
         std::cout << "number: " << number << "\n";
         std::cout << "square: " << squared << "\n";
         std::cout << "cubed: "  << cubed   << "\n";
     }
     else
         std::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;
 }