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: Fri Jul 31 00:07:26 2026 (updated every 30 secs)

123456789101112131415 Winner?  Score Nickname
41276379122451037Winner!20fawfle
41276379122451037Winner!20Draconiclightnin
4127637913286123109beowulf
412763791228618593Digimalgum
41277371313256125150The Prof
41278310151328511717-11WNDev
41277311141329513819-16Sujith
41277311131636511714-17berry
41277311141636511614-17Grendel
41277311151336511720-22nick
41277311151336511720-22jon
41276391212366146Ace
412773101312316148Lark
41297391413358147hey
412963101614387118soapy
41277311151329511colester
41277310131336511MananK
41277311141335511justin
412711311111336612Rhyme
41396311211736711fish
41497313131339817kungfukenny
446743369181135146Obo
412763710125corvus
412763912366Obo
412763912946nickname
4127731113berry.
4127671224Your
4127635pineapple.
4127103yo
63912946Hakuna
41277sH4d7
41277Burrito
4129loser
412Ace.
test
Jim Lahey
Nickname
The Prof
beowulf