Practice: ROOTTREE, UKROBOT, VILLNET, DDIMMST, RANDKNAP, PLANT, SUBQUERY, SSTORY, ANUSAR, GRUMARS, INQU2004, DYNAMO, MYS00T, VBR, CDSUMS, EOOPR, RRUN, SOLDVAL, GMSTN, ADAMAT, KTREE, KGCD, CRDGAME2, CHFNSWAP, SERSUM, RESTORE, CNDYGAME, RB2CNF, UNSQUERS, SCALSUM, SELEDGE, CIRCLEAT, CHEFSSM, PANIC, CONGRID

OCT20B: CHEFEZQ, CVDRUN, POSAND, REPLESX, ADDSQURE, SEGCOMPR

COF2020: COFOCTP1, COFOCTP2

CSPR2020: OCTAVE, KCUBE, RRACE, ICE, SHER

COOK123B: PATHSUMS, DECREM, SPLITIT, XOXO, DIANE

LTIME89A: COPAR, SSO, GSUB

ECPG2020: ECPC10A, ECPC10C, ECPC10B

NOV20A: RESTORE, SCALSUM, UNSQUERS, CNDYGAME, CHEFSSM, PANIC, RB2CNF, SELEDGE, CONGRID

LTIME90A: GASOLINE

Practice: ANTSCHEF, BLKJK, ORAND

OCT20B: DDIMMST, VILLNET

LTIME89A: EFLIP, CDSUMS