Practice: CPOINT, ARITHPR, CIELQUIZ, IOPC1202, TOMJERRY, CIELLAND, PDSNUM, TRAINING, LUCKFILL, LEBINARY, PTOSS, TABISHOP, TABUS, TASTR, ROWCOLOP, AMBALLS, PPTREE, SEAGCD, COOLCHEF
APRIL11: NUMGAME2, SPREAD, RECTCNT
COOK10: TIDRICE, BIGPIZA, EQIDLIS, PACKBAND
JULY11: LOKBIL, AEHASH, KITCHEN
DEC11: MOVES, CHEFGIFT, STREGGS
JAN12: RHOUSE, LUCKY3, GAPFILL
FEB12: MAXCOUNT, LUCKY5, WCOUNT, LUCKY1, RSRECIPE, BBSYSTEM
COOK19: DAILY
CRNM2012: CRNM1207, CRNM1202, CRNM1205
MARCH12: SPOON, HDELIVER, SHUTTLE, LWS, LUCKY2, PARCOS, TOMJERRY
ADYN2012: PRAYAS01, PRAYAS04, PRAYAS02, PRAYAS08, PRAYAS07, PRAYAS03
PRDM2012: IITI00, IITI01, IITI02
APRIL12: DOUBLE, PLAYFIT, PANSTACK, DUMPLING, PARALLEL, LUCKY4
ANDR2012: A112, A111, A109, A102, A103, A110, A105, A108, A104, A107
COOK21: BESTBATS, RESIST, PAINTING, TRAINING, TMRATING
MAY12: STONES, CHEFLUCK, CHEFHOME, TWSTR, DIVPAIR, MEDIAN, DIGFORST, LEBOXES, CKROACH
COOK22: LUCKYSTR, LUCKYBAL, LUCKYSWP
JUNE12: LECANDY, RESQ, CAKEDOOM, LUCKY8, PARPOLY
AUG12: LEBOMBS, HOMDEL, DRANGE, LUKYDRIV
COOK25: NOCODING, YNOUTPUT, CHEFPASS
SEP12: HORSES, CKISSHUG, CHEFTOWN, CROWD, QNUMBER, LIGHT, CHEFWD, SIMNIM
COOK26: RRECIPE, CARVANS, PPERM, COALSCAM
ALKH2012: NMAGIC, ALK01, EQCANDY, ICEFIRE, STRRMQ, MPREF, CRAZYBOB
OCT12: DRGNBOOL, NEWSCH, MAXCOMP, LUCKY10, DIAMOND, BMASTER, MAXRECT, TEAMSIZE
NOV12: CONFLIP, TOURMAP, DDISH, LUCKY9, CBARS, CANDYGAM, JABO, MANYLEFT
COOK28: LEPERMUT, LEDIV, LELUCKYN
DEC12: GRANAMA, MGCRNK, DBOY, CNTWAYS, BEX, SEREJA
JAN13: LEALCO, SALARY, CVOTE, THREEDIF, CHEFHACK, DIVPRO
FEB13: BUY1GET1, CLMBSTRS, LECARDS, TRIQUERY, WPLAY, MBOARD
MARCH13: FIRESC, RDF, TOTR, APPROX, SUBTREE
BTFR2013: NITA13
APRIL13: MAXDIFF, LEVY, FCBARCA, LEMUSIC, KINGCON, CHEFGAME
COOK33: AMMEAT, AMMEAT2, AMSTRING, LEFEED
MAY13: NAME2, NAME1, MSTICK, WITMATH, FTRIP, CHALENGE, JUNONGF, TREE, QTREE
COOK34: AMSGAME1, AMSGAME2, AMSEQT, AMXOR
JUNE13: LAPIN, PREDICT, DELISH, WSTRING, LEMOUSE, COLLECT, PERMUTE, TKCONVEX, CHAORNOT
COOK35: ALETHIO, ATTIC, TYTACTIC, INVITES, TRANSFIG
JULY13: CHRECT, KPRIME, CIRKILL, PROB, GALACTIK, MOU1H
LTIME02: COOKFOOD, COINCHNG, TRIPCOST
AUG13: SPCANDY, LELEMON, HELLO, SHIRO, CHMOD, CNTSOLS, SEABAL, LYRC
SEPT13: CAOS1, CAOS2, INTEG, COOLGUYS, LEEXAMS, SPOONS
OCT13: HELPLIRA, MAANDI, LEBAMBOO, ARRGAME2, SEATRSF, KMHAMHA, CAOS3
COOK39: PPNUM, PPTEST, PPXOR, PPLUCKY
NOV13: JOHNY, MCHAIRS, SDSQUARE, SPOTWO, PRETNUM
COOK40: AMIFIB, NEXTNUM, NUMPATH, LOWSUM, TRSUBTR
LTIME06: NUMBERS
DEC13: ALEXNUMB, MARBLEGF, RECTQUER, CHODE, REIGN, CUBE
LTIME08: CHRL1, CHRL2, CHRL3, CHRL4
MARCH14: WALK, PROSUM, TMSLT, MIKE3, BINTOUR, ANUGCD, SSTORY
APRIL14: POTATOES, BINTREE, ADIGIT, CNPIIM, TANGDIV, ANUCBC, FBCHEF
MAY14: OJUMPS, RRSTONE, COMPILER, CHEFBM, LEBALONS, SEAGM
AUG14: PRGIFT, CRAWA, REVERSE, CLETAB, TSHIRTS, MOU2H, EQUAKE
SEPT14: CHEFLR, ROTATION, RAINBOWB, UASEQ, CHEFINV, FLOORI4, SEABUB
COOK50: SUBGCD, GRID, SUBLCM, WW2, UPDTREE
OCT14: CHEFGR, PRLADDU, FATCHEF, PRPOTION, CHEFSQUA
NOV14: DISCHAR, PRPALN, CHEFSEG, POWERMUL, RBTREE
APRIL15: BROKPHON, CHEFLCM, CSEQ, PIANO1, CARLOS, FRMQ, DEVVOTE
COOK57: EQUALITY, VCS, TDRIVER, LFIVES
MAY15: CHEFRP, SETDIFF, CHAPD, DEVSTR, CHEFCK
COOK58: CFRTEST, REARRSTR, DEVBDAY, XORGRID
COOK62: FRGTNLNG, STACKS, SPRNMBRS, REIGN2, SUBGRAPH