I used the link given in the PDF for problem set0.It was accessible for the first three times.But due to some reasons I could'nt submit it and so closed the link.This time when i try to submit them surprisingly the website is inaccessible. What shall I do now?...

http://cs50.edx.org/2015/psets/0/: this is the weblink i used are there any others available apart from from this one?


i had encountered the same problem. I remember the use Safari to assess the website and it was not successful many times. then I try Google chrome and it was successful.


I submitted mine yesterday using the same link. I tried accessing it again and am having the same issue thus the site is inaccessible.

So either you use a different browser or you clear your browser's cookies or better still a different computer or device. It will open afterwards.

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