ComputeProfit

Procedure ComputeProfit ( lott_database, ref_arr )
INPUT: lott_database, the array of all customer lottery arrays
       ref_arr, the reference of current week lottery array
OUTPUT: profit, the profit of current week lottery

earn_count = len(lott_database) * 2
give_out_count = 0

for each_lott_arr in lott_database {
  match_count = CountMatches(each_lott_arr, ref_arr)
  if match_count == 6 && len(each_lott_arr) == 6:
       give_out_count += 100000
  if match_count == 5 && len(each_lott_arr) == 5:
       give_out_count += 500
  if match_count == 4 && len(each_lott_arr) == 4:
       give_out_count += 10
  if match_count == 3 && len(each_lott_arr) == 3:
       give_out_count += 4
}
profit = earn_count - give_out_count
return profit