國立暨南國際大學 101 學年度第一學期小考試卷

1. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   // pointer to int
   #include <iostream>
   
   using std::cout;
   using std::endl;
   
   int main()
   {
       int number1 = 11;
       int number2 = 22;
       int* pnumber = &number1;
       cout << (*pnumber)++ << endl;   // What would happen if you omit the parentheses?
       cout << number1 << number2 << endl;
       return 0;
   }
   
   
   
2. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   // pointer to int
   #include <iostream>
   
   using std::cout;
   using std::endl;
   
   int main()
   {
       int number1 = 11;
       int number2 = 22;
       int* pnumber = &number2;
       cout << --*pnumber << endl;   // Is this a valid expression?
       cout << number1 << number2 << endl;
       return 0;
   }