The PDF version of this problemset can be downloaded here.
5 1 2 1 3 1 4 1 5 6 1 2 2 3 3 4 1 5 5 6 13 1 2 1 3 2 4 2 5 3 6 3 7 4 8 4 9 6 10 7 11 8 12 11 13
6 2 14
Migrated from old NTUJ.