Practice: INSQ16C, CHCOINSG, CDQU02, AMLPALIN, AMJMP, AMSS, INF16A, IITI15, KOL15C, DEADFOOL, QCHEF, SMARKET, CHSQARR, FNCS, SANDWICH, ACM14AM5, ACM14AM3, SNSOCIAL, DISTNUM3, KRYP1, KRYP3, PINS, BBRICKS, GMEDIAN, COPRIME3, EXGCD, SMPLSUM, IOPC1204
AUG16: CHCHCL, CHEFRRUN, CHEFCRUN, CHAHG
SEPT16: DIVMAC, LONGSEQ, LEXOPAL, RESCALC, CHFNFRN, CHMTDV, JTREE
OCT16: CHDOGS, CHEFKEY, FENWITER, CHEFTWOS
NOV16: ALEXTASK, URBANDEV, GIFTCHEF, FRIEMEET, CPERM, CHSQR
DEC16: KIRLAB, ANKTRAIN, BASE, KTHMAX
ALKH2017: XORPRO, CHEFGRUP, SHEBRU, INCDEC
CNES2017: ACEBIT, ACESQN, ACEDSS