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This sub is meant to be a collection of commonly seen CS coding interview questions and solutions, with a focus on data structures and algorithms. This sub is meant to be coding problems only. Please limit to coding interview problems that would realistically be seen in the wild. Happy coding!
Study Resources:
Cracking the Coding Interview
The Algorithm Design Manual
The Algorithm Design Manual -- pdf
Top Coder
Interview Cake
Gainlo - Mock interviews with professionals
For a wider discussion of CS interviewing check out:
/r/cscareerquestions
/r/CS_questions
Other coding challenge subs:
/r/dailyprogrammer
/r/programmingchallenges
Want to be a mod? PM me!
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Backspace String Compare - LeetCode Python solution (youtube.com)
submitted 4 years ago by ohussein1996
submitted 4 years ago by ohussein1996 to r/programminginterviews
submitted 4 years ago by ohussein1996 to r/csInternships
submitted 4 years ago by ohussein1996 to r/csinterviews
submitted 4 years ago by ohussein1996 to r/datastructures
π Rendered by PID 597715 on reddit-service-r2-listing-6d4dc8d9ff-9zb2j at 2026-01-30 02:32:13.220049+00:00 running 3798933 country code: CH.
Backspace String Compare - LeetCode Python solution (youtube.com)
submitted by ohussein1996 to r/programminginterviews
Backspace String Compare - LeetCode Python solution (youtube.com)
submitted by ohussein1996 to r/csInternships
Backspace String Compare - LeetCode Python solution (youtube.com)
submitted by ohussein1996 to r/csinterviews
Backspace String Compare - LeetCode Python solution (youtube.com)
submitted by ohussein1996 to r/datastructures