Practice: UWCOI21A, UWCOI21B, FAMTREE, FINDWAYS, HGNEG, BYTES13, GGSPAG, RRTREGAM, CHGM, CHAJOE, CHFSTR, LOLTREE
TEWE2020: GURUJI
COOK123B: SPLITIT, DECREM, PATHSUMS
LTIME89B: ANDOR
LTIME90B: BEGGASOL, XORCOMP, GASOLINE
DEC20A: EVENPSUM, POSPREFS, CALCULUS