Practice: RHOUSE, LIFELTD, USF, PERMPART, CHEFRAMI, COPRIME3, ANDMIN, CHEFCODE, SQNUMBF, TWTCLOSE, CHRL3, MAXOR, LOSTMAX

DEC18B: CHFINTRO, CHFIDEAL

LTIME67B: PPATTERN, BUCKETS, AGECAL, DLINE

LTIME68B: WTCH, RKS

FEB19A: CHEFING, ARTBALAN

MARCH19B: JAIN, CHNUM, CHDIGER, SUBPRNJL, CHONQ

LTIME70A: SEVENSEG, TRVLCHEF

LTIME71A: MINARRS, DRMP, FAPF

LTIME74A: DELARRAY, PROFTRIP, TWOLANE

LTIME75A: DESTCELL, COKE2, EQAVG

LTIME76A: PAIRSUM2, ALLSUB, ICECREM, TREEVERS

LTIME77A: BOXGAM97, INVZCNT

NOV19A: FAILURE, PHCUL, LSTBTF, WEIRDO

DEC19A: BINXOR

LTIME79A: EVIPRO, GUESSNUM

LTIME80A: POPTUNNL, CARR

LTIME84A: TREDIFF, ABSNX, CONVSTR, CHEFZRON

LTIME85A: MAXAND18, SQRSUBMA, COWSHEDS, GOLMINE

Practice: MATCH2

LTIME67B: BESTPATH

MARCH19B: CHEFSOC

LTIME70A: PERMPART

LTIME71A: CHEFRAMI

LTIME74A: EQMD

LTIME77A: KTH97, DDQUERY

DEC19A: BINADD

LTIME79A: TREEQ1, STICK2

LTIME84A: GCDMASK