Practice: SEGSUMQ, AMR15B, AMXOR, DIS
COOK84: CHNGFUNC, CHNGOR, CHNGSUM, BIPARTRE
LTIME50: LOSTMAX, MAXOR, DIVSET
SEPT17: MINPERM, CHEFSUM, CHEFPDIG, WEASELTX, SEACO, SUMCUBE, FILLMTR
LTIME54: SMRSTR, LRQUER, STRQUER, SHUFFL
DEC17: REDBLUE, CHEFEXQ, CHEFUNI, GIT01, CPLAY, VK18, CHEFHAM, CHEFFIB