Scoreboard for the Data Lab "Beat the Prof" Contest

This page shows the operator counts for the students who have submitted entries to the Data Lab "Beat the Prof" contest.
  • To enter the contest, run the driver with the -u option: ./driver.pl -u "nickname".
  • Enter as often as you like. The page will show only your most recent submission.
  • Blue entries match the instructor. Red entries beat the instructor. Incorrect entries are denoted by "—".
  • Entries are sorted by score, defined as (total instructor operations - total student operations). Higher scores are better.
  • If all of your puzzle entries are correct and they each match or beat the instructor, then you're a winner!

Puzzle key: 1=bitOr, 2=isZero, 3=tmax, 4=anyOddBit, 5=fitsBits, 6=leastBitPos, 7=isAsciiDigit, 8=isLessOrEqual, 9=reverseBytes, 10=bitCount, 11=logicalNeg, 12=trueFiveEighths, 13=float_neg, 14=float_twice, 15=float_twice

Last updated: Thu Nov 27 15:00:44 2025 (updated every 30 secs)

123456789101112131415 Winner?  Score Nickname
4127637913286123109beowulf
412763791228618593Digimalgum
41277371313256125150The Prof
41277311141329513819-16Sujith
41277311131636511714-17berry
41277311141636511614-17Grendel
41276391212366146Ace
412963101614387118soapy
41277311151329511colester
41277311141335511justin
412711311111336612Rhyme
41396311211736711fish
41497313131339817kungfukenny
446743369181135146Obo
412763710125corvus
412763912366Obo
412763912946nickname
4127731113berry.
4127671224Your
4127635pineapple.
4127103yo
63912946Hakuna
41277sH4d7
412Ace.
test
Jim Lahey
Nickname
The Prof
beowulf