5 votes
Accepted

Problem set 0, need to fill up requirements

Hi @user1406 and welcome to the CS50 community. Here you go, In order to declare a new variable, in the variables palette, click "Make a Variable". A box will appear. Type the name of the variable ...
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  • 1,170
5 votes
Accepted

Hacker pset1 How to submit it?

The solutions to the hacker edition problem sets are not submitted nor graded. They're optional!
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  • 17.4k
3 votes
Accepted

What happens if I accidentally upload files to the wrong problem set?

There's no way to remove it. Not to worry about it though! Just re-upload your files in the correct place and make sure you submit the form in order for your pset to be graded!
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  • 17.4k
2 votes

How do I check to see if programs are submitted?

Head to CS50 Submit and choose your pset on the left under Assignments Under My History, you should see your submissions for this pset. Click on the top-most submission On the screen that appears, ...
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  • 17.4k
2 votes

Redirecting Problem arising while submitting my pset

Don't worry about the wrong submission and you don't have to resubmit the form again. You may drop Robert Bowden a note at rob@cs.harvard.edu about the ungraded psets providing your edX email and name....
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  • 17.4k
2 votes
Accepted

Redirecting Problem arising while submitting my pset

Be patient, it'll take a while but it will be graded (it took about a month to me).
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2 votes
Accepted

Standard or Hacker or Both

If you are doing this course via edX, you must submit the Standard editions. The Hacker editions are only for your own extra learning.
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  • 18.3k
2 votes

How to change cs50x enrollment on my XID account?

You don't need an XID account for CS50x. You just need an Edx account to enroll in the course, which will also serve as your CS50 Submit authentication. The only deadline for the 2015 offering of the ...
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2 votes
Accepted

Cs50x 2016, half way(pset4 done), can I continue using CS50x 2017?

Yes, you can continue. Any pset that you have submitted and has been graded will carry forward. However, to continue, you must do the 2017 course psets (it's actually the Harvard on-campus fall 2016 ...
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  • 63.1k
2 votes
Accepted

invalid problem with submit50

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/...
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  • 239
2 votes
Accepted

How do I submit pset0?

Yes, you can. The final deadline is 31 Dec 2014. pset0 isn't submitted through the submit page. The instructions are listed at the end of the pset. How to Submit To submit this problem set, head to ...
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  • 18.3k
2 votes
Accepted

Bug in CS50's score counting?

If you need to submit your code to fix the style, be sure to run style50 and then use the 2018 submission instructions. submit50 cs50/2018/x/hello submit50 cs50/2018/x/mario/less
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  • 18.3k
2 votes
Accepted

CS50 Pset1 credit

While your program will likely pass the automated tests of C50, in terms of design, you could think of the following: As per the problem description, Visa uses 13- and 16-digit numbers Your ...
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  • 36
2 votes

Using submit50 on VSCode

I noticed this a duplicate question that you have already posted here but I can't flag it as a duplicate, so I'll repost my answer here in case anyone chances upon this one instead: This is due to ...
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1 vote
Accepted

CS50 final project, problem with submit50 in offline IDE

The new submission system went into effect a couple of days ago (July 29, 2019). You can submit your final project directly on github. You are only required to submit a README.md file describing ...
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  • 18.3k
1 vote
Accepted

Pset7 finance Submission not working?

It's possible your personal touch is causing problems with check50. Is it easy to remove and then resubmit?
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  • 18.3k
1 vote
Accepted

Unsubmitting?? I accidentally submited resize(more) instead of less

When there are options (between less/more), only the higher grade will be counted. As long as you get 70% or higher on one of them, you will still be eligible for the certificate.
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  • 18.3k
1 vote
Accepted

submitted and graded pset is now un-graded again

One of your issues is you appear to be using the Harvard Fall 2016 problem sets, which are no longer active (and are for registered Harvard students). If you are an edX student, be sure you are using ...
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  • 18.3k
1 vote

CS50 Pset7: Final Questions before Wrap-Up

I'm no expert, but I thought I'd give it a try since I just finished the problem set myself: Your questions 1 and 2 are related. GET and POST are methods that determine how data is submitted to the ...
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  • 13
1 vote
Accepted

CS50 Pset7: Final Questions before Wrap-Up

The button does the action defined in the action attribute of the <form> tag. text is not a valid type for a button (see MDN doc on button and form) but it doesn't fail because, well, browsers ...
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1 vote
Accepted

CS50 fifteen - expected file to be of length 18, not 27

You have changed the board logging routine and that is what check50 is complaining about. check50 depends on that output (log.txt) to verify the result. Here is the routine from the distribution code: ...
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1 vote
Accepted

Submit page tells me that my submission is late

The 2016 course deadline has passed. The 2017 submissions haven't opened yet. But you don't have to resubmit any psets that have already been graded, as your gradebook will carry over to the 2017 ...
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  • 18.3k
1 vote
Accepted

Pset 3 : Game of fifteen. Help understanding the error message

Try generating a 3x3 board and make the same moves check50 did, you should be able to spot the error. If this answers your question please mark as answered.
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  • 167
1 vote

check50 pset4 error file closing

The code has two serious problems. First, it is trying to write to a file that hasn't been opened. The code checks for the signature in the first block and doesn't find it. Then, the first line after ...
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  • 63.1k
1 vote
Accepted

pset6 (2016) implementation failing 4 tests on check50 and submit

load(). Scope. Pointers. Remember, when you return to the caller (main), you don't expect the address of content to be different, only the contents of content. Since &content is passed to load, ...
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1 vote

How submit pset5 if solution uses external library

I may be wrong, but it seems to me that if you zip all the files together in the directory that you built the executable, including the modified make file, and then upload, it should work. If not, you ...
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  • 63.1k
1 vote
Accepted

pset4 recover code working no errors on gdb or valgrind but fail on check50

The problem was very funny =) I understood incorrect description : "hardcode file name" Before that i just forced user to type file name card.raw, i thought this was requirement by: For simplicity, ...
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  • 42
1 vote

pset4 recover code working no errors on gdb or valgrind but fail on check50

Is your new_jpg a char[8] array? Could be similar issue as this person : Recover creates the pictures, able to view them, but listed as jpg? in ls and check50 fails
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  • 13
1 vote

PIN required for CS50x submission

Yes, I am. I tried it through both Chrome within the appliance (per the pset instructions), then through Chrome on my Mac OS, and I got the same behavior. I then tried through Safari and it worked, so ...
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  • 21
1 vote

Cannot submit Pset1 in CS50x Submit 2015, "There are currently no submittable assignments!"

Submissions are now open for all psets.
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  • 18.3k

Only top scored, non community-wiki answers of a minimum length are eligible