LeetCode
HackerRank
Project Euler
Codewars
CodeForces
Exercism
interviewing.io
Coderbyte
Gronex
HackerRank
InterviewBit
Coderbyte
CodeSignal
CodinGame
Project Euler
Spoj
Gronex is an interview preparation platform focused on backend and machine-coding rounds. Instead of submitting a function against hidden test cases, users work inside a full repository in a browser-based workspace: reading existing code, locating the defect or missing behaviour, editing multiple files, and running the project's test suite until it passes.
The catalogue covers repository implementation, concurrency and race conditions, incident debugging, API contract debugging, database engineering, runtime diagnostics such as heap dumps, GC logs and thread dumps, and Linux and shell fundamentals. Problems are available in Java, Python, Node.js, C++ and Bash. A subset is free and can be run without an account.
Additional features include system design walkthroughs, guided learning paths, a weekly timed challenge, an AI mock interviewer that asks follow-up questions after a solution passes, and a separate product for companies to run live technical interviews on the same repository problems.
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LeetCode is the best platform to help people practice solving coding problems and prepare for technical interviews. The main users are software engineers. LeetCode has over 1,900 questions covering many different programming concepts.
Based on our record, LeetCode seems to be more popular. It has been mentiond 544 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
General Coding Assessment (GCA): the harder of the two, but manageable with preparation. It's done on CodeSignal, either in person or online. To prepare, practice DSA questions on competitive programming sites like LeetCode, Codewars, and CodeChef for 1โ2 weeks, and you should be in good shape. - Source: dev.to / 20 days ago
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and system design explanations Coding practice LeetCode Https://leetcode.com Core DSA practice and timed coding drills Coding explanations NeetCode Https://neetcode.io Pattern-based... - Source: dev.to / 3 months ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / 3 months ago
Your preparation should not be random. Platforms like LeetCode, Codeforces, and GeeksforGeeks are toolsโbut what matters is how you use them. - Source: dev.to / 4 months ago
Bash /path/to/chrome-launcher.sh email001@gmail.com https://leetcode.com. - Source: dev.to / 5 months ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...
InterviewBit - Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies
Codewars - Achieve code mastery through challenge.
Coderbyte - Coderbyte is a place built for anyone to practice and perfect their programming skills.
CodeForces - Programming competitions and contests, programming community.
