Practice: START01, DECINC, SNCKYEAR, FSQRT, LUCKFOUR, KOL15A, NUM239, PROB, CHFPARTY, LAPIN, ZOZ, TEST, DISTCODE, PERMEXIS, NOCODING, LIKECS02, CHOPRT, DIFFSUM, MATCHES, FLOW002, ICL1902, CHEFARRP, PPSUM, PCJ18B, FLOW005, AMR15A, VCS, CANDY123, CIELRCPT, MXCH, TABLET, FLOW004, TWOVSTEN, CHEFSTLT, TOTR, ICL1901, CHEFCBA, BROKPHON, MXMEDIAN, CAPPLE, CHEFING, LUCKYSTR, CHNGFUNC, JOHNY, CHEFFED, RRCOPY, APPROX, PUPPYGM, ATTIC, EASYPROB, CO92SUBW, HHAL, ICPC16C, SUBMIN, DIRECTI, CHEFSOCK, EQUALITY, ANUBTG, ANUDTC, DIVIDING, NUMGAME2, CHEFSETC, KINGSHIP, PAJAPONG, UNICOURS, FLAGS, SEALINE, RESQ, AMSGAME1, PROBSET, TCFL20B, POPGATES, TCFL20C, TCFL20A, SMCD5, STRNO, UNITGCD, GK1901, GK1905, COINS, TREEROOT, PALIN, GOODSET, CACHEHIT, CVDRUN, PERRY, TRP, RESTORE, UNSQUERS, HIRINGWO, IPCCERT, ADADISH, ECNOV09, ENCNOV, ENCNOV11, ECJANC, GASOLINE, FREQARRY, GOLDTRIP, BDYGFT, CSHIP, TRAINWT, EOOPR, SOLDVAL, POSPREFS, HXOR, SEDPASS, SWAP10HG, SEDARR, PLAYPIAN, BILLRD, ANTSCHEF, PTUPLES, BINSUBS, TEAMNAME, FROGS, MAXPR, COLGLF4, ADDSQURE, CYBV, CAB
ZCOPRAC: ZCO14003, ZCO14001, ZCO13001, ZCO15002, ZCO12001, ZCO14002, ZCO13003
INOIPRAC: INOI1201, INOI1302, INOI1601, INOI1401, INOI1502, TINOI17A, TINOI17B, ROADTRIP, INOI1202, INOI1602, INOI1301, INOI2001
IARCSJUD: BOOKLIST, IAREVERS, LEADGAME, TILES01, SORTROWS, AVERAGE, NEXTPERM
FEB20B: SNUG_FIT
HECS2020: CC000
JUNE20B: PRICECON, XYSTR, CHFICRM, EOEO, EVENM, COVDSMPL
JULY20B: CHEFSTR1, CRDGAME, ADAKING, PTMSSNG
AUG20B: CHEFWARS, LINCHESS, CRDGAME3, SKMP, CHEFWED
SEPT20B: TREE2, ADAMAT, COVID19B, CHFNSWAP
SSCC2020: SSEC0005, SSEC0010, SSEC0020, SSEC0006, SSEC0015