Scoreboard for the "Bit Hacker" Contest

This page shows the operator counts for all students who have submitted entries to the "Bit Hacker" contest.
  • To enter the contest, run the driver with the -u option: ./driver.pl -u "nickname".
  • Enter as often as you like. This page will show only your most recent submission.
  • Blue entries match the instructors. Red entries beat the instructors. 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 instructors, then you're a Bit Hacker!

Puzzle key: 1=maxVal, 2=negCheck, 3=lsbCopy, 4=andBits, 5=xorBits, 6=setThirdBits, 7=byteExtract, 8=byteSwitch, 9=addOverflow, 10=bitFit, 11=shiftLogical, 12=not, 13=signMagnitude, 14=fp_abs, 15=fp_twice

Last updated: Sun Feb 1 17:38:36 2026 (updated every 30 secs)

123456789101112131415 Bit Hacker?  Score Nickname
222474317966664150The Prof