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

Last updated: Thu Aug 14 20:46:17 2025 (updated every 30 secs)

1234567891011121314 Winner?  Score Nickname
41277371313256125150The Prof