int array[2][length] = {0};
 
// populate array with values
int nItemsInList = 1;
array[0][0] = list[0];
array[0][1] = 1;
for(int i = 1; i < length; i++)
{
   // find list[i] in array[0];
  int found = 0;
   for(int j = 0; j < nItemsInList; j++)
   {
         // search the array for list[i].  If found, then just increment
         // its count.  If not found, then add it to the array.
         if( array[0][j] == list[i] )
         {
              array[1][j]++;
              found = 1;
               break;
          }
     }       
      if( found == 0)
      {
               // not found in the array, so we must add it here.
               array[0][nItemsInList] = list[i];
               array[1][nItemsInList] = 1;
                nItemsInList++;
       }
}