input.*.txt files in public_test_cases does not start with 0

[chenzimin]

For the following problems with test cases in the public_test_cases, the input.*.txt and output.*.txt files does not start with index 0:

p01875
p02069
p02067
p00754
p02068
p02072
p02871
p01895
p02074
p02224
p01660
p02197
p01516
p01589
p00000
p01779
p01581
p01588
p01969
p00685
p00683
p01590
p02064
p03978
p02857
p02226
p02076
p02071
p01664
p02227
p02070
p02077
p02592
p01584
p01515
p01972
p01585
p01582
p00696
p01918

This causes an error in the run_eval.py script that expects that the index starts with 0.

One solution is to simply rename these files.