國立暨南國際大學 97 學年度第一學期小考試卷

(考試時間: 14:10-14:20)

1. (10%) What value will the following code display?
   

   
   #include <iostream>
   using std::cout;
   using std::endl;
   
   int main()
   { // Check the precedence table on P.77
     cout << 2 << 2 << 2 << endl;
     cout << (2 << 2 << 2) << endl;
   }
   
   

   
   
   
   
   
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).

   #include <iostream>
   int main()
   {
           const int MAX = 50;
           int i = 1, sum = 0;
           for ( ; ++i <= MAX; sum += i)
               ;
           std::cout << std::endl << "sum = " << sum
                    << std::endl << "i = " << i
                    << std::endl;
           return 0;
   }