Comp 1672
Winter 2003
Homework 2
Assigned Monday, January 13, 2003
Due Tuesday morning, January 21, 2003

1.  a. Convert 2356 to hexadecimal and then to binary
    b. Convert 0xCF8 to decimal
2. Read pp. 386-389, do problem 9 on page 401 (covers string processing)
3. Do problem 6 on page 346 (reviews pass-by-reference)
4. Do problem 11 on page 348 (default parameters)
5. Do problem 12 on page 348 (default parameters)
6. Find the error(s) in the following code:
   void process_array(const float a[], const int size)
   {
       int i, total(0), new_num;

       cin >> new_num;
       a[size++]=new_num;
       for (i=0; i < size; i++)
          total += a[i];
       for (i=0; i < size; i++)
          a[i] /= total; 
   }   
7. Do problem 4 on page 461 (character arrays)
8. Do problem 5 on page 461 (character arrays)
9. Write your own version of the strcpy function
10.Say I have the following definition:
   const int students = 3;
   const int exams = 4;
   int studentGrades[students][exams] =
       { {77, 68, 86, 73},
         {96, 87, 89, 78},
         {70, 90, 86, 81} };
   a. Write a few lines of code that will calculate the average score for
      each student.
   b. Write a few lines of code that will calculate the average score on
      each exam.