The PDF version of this problemset can be downloaded here.
2 2 7 3 4 3 2 1 3 1 1 2 2 1 2 2 1 1 2 2 2 1 1 2 2 5 3 4 3 2 1 3 1 1 2 2 1 2 2 1 2 2
5 -1
NTUJ cannot show multiple samples, so we merged them here
Migrated from old NTUJ.