I've tried to submit pset2 after 'update50', but it doesn't work. What should i do? a busy cat ![two muppets][1]

  • submit50 cs50/2017/x/crack
    – obesman
    Commented Jul 31, 2017 at 19:18
  • Thanks! Works! And the same (with 'cs50/...) with the others. Right? Commented Jul 31, 2017 at 19:22
  • just look into problem set - submit and copy-paste
    – obesman
    Commented Jul 31, 2017 at 19:25
  • Here I am a fool!))) i didn't refresh the page with problem set and copy/pasted old lines. Commented Jul 31, 2017 at 19:30
  • 4
    I'm voting to close this question as off-topic because there wasn't any problem to be questioned. Commented Jul 31, 2017 at 19:48

1 Answer 1


The new versions of submit50 and check50 require cs50/ at the beginning of the problem identifier. The submission instructions have been updated to reflect this. The correct identifier is now cs50/2017/x/crack.

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