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Collecting feedback on Algorithms/Interview Prep site

Do you guys enjoy most mainstream sites for coding questions like leetcode, hackerearth, interview bit etc. I feel that it is difficult to learn from as the solutions can be hard to understand and some problems are hard to visualize. Do you guys have any similar problems with these sites or any ways they can be made better? I ask because I was thinking about starting my own prep site, that included much more tutorials and giving you harder questions step by step. I just wanted to gather your guys thoughts on what can be made better about the process of interview preparation learning.

peternicky 9y ago
HackerRank is complete garbage. My favorite platform for practicing algorithms is Leetcode because it receives updates often, community is very large, collection of problems and solutions are very well moderated and tagged (company, problem category) and the user experience is frictionless compared with HackerRank. My problem with HackerRank is primarily based on its difficulty in jumping right in with little instruction specific to HackerRank's platform. A good example of this is its JavaScript support. Without going in to detail, users solving problems in JavaScript are forced to write code in a strange way, such as wrapping the solution in a "main" function. This should be abstracted away so that users of the platform can focus on solving the problem, not figuring out obscure details of the language support due to mediocre implementation on behalf of HackerRank.
- crouchingtigerr 9y ago
  Do you think the lack of teaching algorithms and data structures makes leetcode weak? It seems that users are expected to dive right in. Have you looked at interviewbit at all? They have a lot of videos in categories but the problems and solutions are not as well done as leetcode.
itamarst 9y ago
Rather than making even more people waste time on this, can we please stop encouraging these sorts of interviews, and the pointless cramming involved?

peternicky 9y ago

HackerRank is complete garbage. My favorite platform for practicing algorithms is Leetcode because it receives updates often, community is very large, collection of problems and solutions are very well moderated and tagged (company, problem category) and the user experience is frictionless compared with HackerRank. My problem with HackerRank is primarily based on its difficulty in jumping right in with little instruction specific to HackerRank's platform. A good example of this is its JavaScript support. Without going in to detail, users solving problems in JavaScript are forced to write code in a strange way, such as wrapping the solution in a "main" function. This should be abstracted away so that users of the platform can focus on solving the problem, not figuring out obscure details of the language support due to mediocre implementation on behalf of HackerRank.

crouchingtigerr 9y ago
Do you think the lack of teaching algorithms and data structures makes leetcode weak? It seems that users are expected to dive right in. Have you looked at interviewbit at all? They have a lot of videos in categories but the problems and solutions are not as well done as leetcode.

itamarst 9y ago

Rather than making even more people waste time on this, can we please stop encouraging these sorts of interviews, and the pointless cramming involved?