The ten fastest solvers of this problem get their penalty reduced as follows.
- 1st: 200
- 2nd: 150
- 3rd: 100
- 4th: 50
- 5th: 10
- 6th to 10th: 5
The original rule accepted any submission that compiled. To judge by comparing output, the accepted output is fixed to one value. Only a program that prints nothing is correct.