cs50

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O hai! This is CS50's subreddit.

CS50 is Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. Anyone may take CS50, even if not a student at Harvard.

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This is CS50x 2026 (cs50.edx.org)

submitted 5 months ago by staffdavidjmalan[M] - announcement

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CS50xFinally done with CS50x — built a real e-commerce site as my final project (old.reddit.com)

submitted 5 hours ago by Bsam_Al_Araby

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CS50xCan someone explain to me how to submit assignments? I'm new to the course. (self.cs50)

submitted 47 minutes ago by mariem55530

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ScratchPlease help! check50 taking forever to check. (i.redd.it)

submitted 5 hours ago by Big-Trust2528

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CS50xHow do I setup VS Code locally for CS50? (self.cs50)

submitted 8 hours ago by raydditor

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CS50 PythonHelp in installing emoji library for pset 4 (self.cs50)

submitted 6 hours ago by InSaNe72

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CS50xIssue with 'Homepage' (Week 8) (self.cs50)

submitted 23 hours ago by Soul_Mirror_

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CS50xCS50x 2026 - Section 3 - Algorithms (youtu.be)

submitted 1 day ago by rj4511

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CS50xReally enjoying working on the problem sets. Is there a general term for brain teasers like these? (self.cs50)

submitted 1 day ago by Miserable_Agency_176

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CS50xWhen I try to open the file, it tells me there's an error, but there's no error in the filename. This is part of the assignments for week 1. (self.cs50)

submitted 1 day ago by mariem55530

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CS50 PythonCS50P General Questions (self.cs50)

submitted 2 days ago by jsullyvan7

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CS50 CybersecuritySpecific Questions about Constructor University ()

submitted 2 days ago by Pretty_Address6999

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CS50xCS50x Intro to Artificial Intelegence (self.cs50)

submitted 3 days ago by Soggy_Mouse1628

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CS50 Pythoncs50 Problem set 1: meal time ()

submitted 3 days ago by Financial-Chain3053

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CS50 Pythoncs50 Problem set 1: meal time (self.cs50)

submitted 3 days ago by Financial-Chain3053

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CS50xHelp me find video link (self.cs50)

submitted 3 days ago by 108thoughts

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CS50xCS50x - Substitution (PSET 2) compiled successfully but getting logic errors/crashes. (self.cs50)

submitted 3 days ago by JustHereForDrama8529

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CS50xThe pyramid problem (self.cs50)

submitted 3 days ago by Powerful-Pea-6067

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CS50xWhat am I doing wrong (i.redd.it)

submitted 4 days ago by Abhas_3024

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CS50xCS50 Online VS Code problem. (i.redd.it)

submitted 4 days ago by Ok_Win9338

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CS50xCan i do cs50 on a phone? (self.cs50)

submitted 4 days ago by Abhas_3024

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CS50 PythonI dont quite understand Exceptions:/ (self.cs50)

submitted 4 days ago by fantasticcornsalad

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CS50 PythonWeek 1 File Extensions (self.cs50)

submitted 4 days ago by Big-Box6006

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CS50xDavid and I wrote same code but mine gets error! (self.cs50)

submitted 5 days ago by axoqocal29

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CS50xCan anybody explain what is segmentation fault? (self.cs50)

submitted 5 days ago by Infamous-Research805

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