Practice: CHRL1, NWAYS, TAQTREE, LUCKY1, JTREE, AMSTRING, PSHTTR, CHEFWORD, ASHIGIFT, DEVBDAY, LSTGRPH, LCH15CD, RRJAM, CHEFDTRE, CHEFGRPH, WALL, CHSPARR, STDPRGS, PALINDR, SPSUM, STSWAP, LIGHT, SEREJA, REDBLUE, TACHEMIS, TREEFUN, CNR, GROUPING, TFOSS, CREP, BINDIF, EXODIA, DELICEIL, RNDPAIR, ONCHESS, SKIING, KMXOR, SBSTR, PLUS, CAREFUL, MINIONS, SONYASEG, FRCPRT, PRMDIV, GCDSUM, MIXGA, GUZAC, MAKPERM, OETW, SOSTD, CHFCH
NOV17: VILTRIBE, CLRL, PERPALIN, CHEFHPAL, CSUBQ
DEC17: GIT01, CPLAY, VK18, CHEFHAM, CHEFEXQ, CHEFUNI, REDBLUE
LTIME55: NW1
JAN18: RECTANGL, MAXSC, KCON, STRMRG, PRTITION
FEB18: CHEFCHR, CHEFPTNT, PERMPAL, CARPTUN
MARCH18B: CHEGLOVE, BIGSALE, MIXCOLOR, MINEAT, XXOR, MINVOTE, PSHTRG
COOK92A: CO92SUBW, CO92MATR, CO92REST
APRIL18A: GOODPREF, CUTPLANT, HIGHWAYC
LTIME61A: SUMPOWER, TREESORT, DOCSDEL
SEPT18A: ANDSQR, BSHUFFLE, TABGAME
LTIME64A: CHEFRES, OPPOSITE, COINPART
OCT18A: HMAPPY, MINDSUM, SURCHESS
LTIME65A: CLORGIRD, WEIRD2, NICARRAY
NOV18A: GMEDIAN