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  1. Solve Algorithms | HackerRank

    Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

  2. LeetCode - The World's Leading Online Programming Learning Platform

    Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

  3. 20+ Algorithms Problems from Coding Interviews - DEV Community

    Sep 17, 2019 · Anyway, here is some of the frequently asked Searching and Sorting Algorithms questions from Interviews. I have linked the solution but you should try to solve the problem before …

  4. Programming Tutorials and Practice Problems - HackerEarth

    Practice programming skills with tutorials and practice problems of Basic Programming, Data Structures, Algorithms, Math, Machine Learning, Python. HackerEarth is a global hub of 5M+ developers.

  5. Algorithm Practice Question for Beginners | Set 1 - Set 1

    Oct 29, 2015 · We can solve it by recurrence tree method.

  6. Algorithms Challenges | Wolfram Challenges

    Solve the Josephus problem: In a circle of n soldiers, every mth soldier is executed.

  7. DSA Problem - 50,000+ Data Structures & Algorithms Questions

    Master data structures and algorithms with 50000+ DSA problems, interview questions, coding challenges, and step-by-step solutions.

  8. Practice Problems | Introduction to Algorithms - MIT OpenCourseWare

    Practice problems and solutions for 6.006 Introduction to Algorithms.

  9. Proving the correctness of an algorithm: Before proving the correctness of an algorithm, you should make sure you understand what the algorithm is doing. To do this, pick a small specific example …

  10. Mock Interview Questions: Practice Popular Algorithm Problems with ...

    Sep 7, 2025 · Master common coding interview problems with this detailed guide on algorithm practice questions, complete with examples, diagrams, and clear visual explanations.