國立暨南國際大學 103 學年度第二學期小考試卷

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).
   
   // MATH Functions
   #include <iostream>
   #include <cmath>
   using std::cout;
   using std::endl;
   
   int main()
   {
       cout << pow( 729.0, 1.0/6.0 ) << endl;
       cout <<  ceil( -3.5) << endl;
       cout << floor( -3.5) << 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).
   
   // MATH Functions
   #include <iostream>
   #include <cmath>
   using std::cout;
   using std::endl;
   
   int main()
   {
       int n = -3.5;
       int m = abs(-3.5);
       float a = fabs(-3.5);
       cout << n << endl;
       cout << m << endl;
       cout << a << endl;
       return 0;
   }