1) 15 points

   5   10   20      undefined, undefined
-------------------------------------------
   5   10   20          5         10
 NOTHING DONE   (line of code should be crossed out)
   5   15   20          5         15
   5   15   20         15         15
   5   15   20         15         20
   5   15    3         15          3
   5   15    3         15         15


2) 15 points
1 2 3 
4 0 0 
8 6 3 
6 1 0 


3) 20 points 


a)  
7 8.90 10
1 4.30 3


b) 
8.00 
7
8.00 
22.00

c) 

12 
5 7 


d) 
13
27
7
12 28


4) 20 points 
6 3 4 5 
18 
7 3 4 5 
16
7 3 4 9 



5) 30 points
a) 

int readarray(char []);

void reverse(char [], char[], int);

int arrayeq(char[], char [], int);

int palindrome(char[], int);


b) 

main()
{
  char arr[MAXSIZE];
  int size;
  
  size = readarray(arr);
  
  if( !palindrome(arr, size))
    printf("not");
  printf(" a palindrome\n");
  return 0;

}


c) 


void reverse(char in[], char out[], int size)
{
  int i;
  
  for(i = 0; i < size; i ++)
    out[size-i-1] = in[i];
}


int arrayeq(char arr1 [], char arr2[], int size)
{
  int i, eq = 1;
  
  
  for(i = 0; (i < size) && eq; i ++)
    if (arr1[i] != arr2[i])
      eq =0;
  return eq;
}



int palindrome(char arr[], int size)
{
  int i;
  char arr2 [MAXSIZE];
  
  reverse(arr, arr2, size);
  return arrayeq(arr, arr2, size);
}