Practice: ICECREM, MAXOR, SUMNCR, COWA19E, ODTPIC, CUPID, QUERYT, FFC320E, XORSUB, POWOFPOW, DLVORMIR, GERALD05, CHEFD, TAQTREE, TASUMOBC, ABROADS, CGPPR04, TRECYB, EXPPERM
SEPT18B: MAGICHF, CHEFADV, XORIER
LTIME65B: CLORGIRD, THREEFR, WEIRD2
DEC18B: CHFINTRO, CHFIDEAL, MAXEP
JAN19B: XYPIZQ, MGAME, DIFNEIGH, EARTSEQ, DPAIRS, HP18, FANCY, GRAPART, MATCHIT
PELT2019: XORNEY
COLE2019: CLIPLX
LTIME72A: GRIDTOUR
LTIME76A: PAIRSUM2, TREEVERS, ALLSUB
DEC19A: BINXOR, CHFRAN, BINADD, STICNOT, CUBVIRUS, TESTGEN
PLIT2020: MINIAND, VILLINE, GRUBAN, MINIKILL, GRUSORT
COWR2020: COWA19F, COWA19A, COWA19B, COWA19C
FFC32020: FFC320B, FFC320D, FFC320C
SMTC2020: MCOINS, BBALLS, BJAGGU, RROUNDS, TSALES
COOK118A: CROADS, CHEFSHIP, CHEFTRIP, CHEFSQUD
INRO2021: COUPLING, JEWELMIN, ILLUMINA, CHRIST, GOODARR, WINIT
POPU2021: POPPUSH1, EASYABC, POPPUSH5, TSOH, BXRED
CLWC2021: CLWI21D