Practice: CKWLK, MDL, ICPC16A, ICPC16C, ICPC16B, ONP, CMB01, CK87QUER, ELEVSTRS, MATPAN, LIKECS01, OBTTRNGL, LECANDY, CNOTE, SALARY, RAINBOWA, COPS, CSUB, TRISQ, NOKIA, L56GAME, CCOOK, TACHSTCK, CHEGLOVE, BIGSALE, MIXCOLOR, ANUUND, CO92JUDG, CO92SUBW, CO92MATR, CUTBOARD, BINIM, TWOVSTEN, FRGTNLNG, CIELRCPT, MAXDIFF, CHEFST, STICKS, TRACE, CAKEDOOM, NUMCOMP, CLETAB, MANYCHEF, CHEFTMA, LEVY, KPRIME, JDELAY, ATM2, MAKPERM, OETW, BFTT, MIXGA, ENCMSG, SURVIVE, FBMT, LIKECS02, BTAR, CTHREE, CARRAY, GOODPERM, ORDTEAMS, LEMUSIC, FGFS, TSORT, FLOW001, TRUEDARE, C00K0FF, BUGCAL, SMRSTR, NW1, HILLS, MOVIEWKN, ODDDIV, EID, PROBSET, EVENT, CAMPON, CHSERVE, ADASCOOL, TABLET, CHFPARTY, TLG
COOK87: CK87MEDI
COOK94B: CHEFRUN
LTIME61B: NUM239
SEPT18B: MAGICHF, CHEFADV, XORIER, TABGAME, BSHUFFLE
COOK99B: ADASTAIR
NOV18B: CHFTIRED, CHHAPPY, PRDRG, HMAPPY1, PRITREE
DEC18B: CHFINTRO, CHFIDEAL, MAXEP, COMAS, DLDAG, INTXOR