Practice: COPS, SAFEROBO, FIBEASY, CHNGIT, CHEALG, STUPMACH, JGEC, GUESSNUM, SLAB, PSHOT, TCFL20D, NOTALLFL, SWAPPALI, ICM2003, ICM2002, ICM2008, XORSN, FLOW016, ENGXOR, GCDSET, MXMLCM, SNAKEEAT, CSCARE, DYNAMO, RIGHTTRI, CHFINTRO, CIRCINTE, MINOPS, RECNDNUM, ADASCOOL, REL203, SNSOCIAL, TREEEE, PRMPRT, PERCAPTA, GOLMINE, CHFM, CHFNSWPS, PATHETIC, IPCTRAIN, GOLOMB, MAXDIVER, ANUMLA, GMEDIAN, TSHIRTS, WORKCHEF, TACNTSTR, DIVSUBS, DIFNEIGH, HLPMIL, SC_02, ALTARAY, CDVNT01F, CHGM1, GSUB, COPAR, SSO, DIVMAC, TWOARM, TREE02, HIRINGWO, SEDPASS, PENS, CAC201, FCF2P5, COW3E, XXOR, MAXOR, MCO16504, PTUPLES

JAN20B: BRKBKS, DYNAMO, CHFDORA, ISBIAS

COOK114B: EXAMCHT, CHFCHK

LTIME81B: POPGATES

TCFL2020: TCFL20C, TCFL20A, TCFL20B

COOK116B: GIFTSRC, CHCBOX, MYSARA

LTIME82B: SWPDGT, PRFXGD

CHPTRS01: FUNRUN, CARLOT, GAMENUM, CODEKARO

COOK117B: LIFTME, MATBREAK

LTIME83B: FFL, SHUFFLE

RC122020: RECNDNOS, RECNDSTR, RECNDROT

MAY20B: COVID19, CORUS, TRPLSRT, CHANDF

JUNE20A: EOEO

COOK119B: MAXMEX, CACHEHIT

LTIME85B: CHFMOT18, INCRDEC, MAXAND18

COLE2020: CLLCM, CLPNT, CLBRKT

COOK120A: EVENTUAL, ORTHODOX

LTIME86A: BINFUN

PAHC2020: CHEFJUMP, HALFBDAY, BINCOIN

SCAT2020: SC_01, SC_05

APO12020: APOC2_03, APOC2_01, APOC2_02, APOC2_04

PBK02020: ITGUY10, ITGUY13, ITGUY11, ITGUY12

UWCOI21: UWCOI21A, UWCOI21B, UWCOI21C

COOK125A: SDSTRING, CIRCHAOS

LTIME91A: THREE, SWAP10HG

LTIME92A: EVENGAME, DREDIV

Practice: CDSUMS

CHPTRS01: CSCARE

MAY20B: SORTVS

UWCOI21: UWCOI21D

LTIME91A: EVSTR