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Coding Interviews

Patterns and problems in Python or JavaScript, run in your browser.

5 out of 5 · 1 rating

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Algorithms

16 of 16 built · 80 problems

  1. Arrays and hashing5 problems, in review
  2. Two pointers5 problems, in review
  3. Sliding window5 problems, in review
  4. Stack5 problems, in review
  5. Binary search5 problems, in review
  6. Linked lists5 problems, in review
  7. Trees (DFS and BFS)5 problems, in review
  8. Tries5 problems, in review
  9. Heaps and priority queues5 problems, in review
  10. Backtracking5 problems, in review
  11. Graphs (BFS, DFS, topological sort)5 problems, in review
  12. Union-find5 problems, in review
  13. 1-D dynamic programming5 problems, in review
  14. 2-D dynamic programming5 problems, in review
  15. Greedy and intervals5 problems, in review
  16. Bit manipulation5 problems, in review

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  • Learner5 out of 5Sep 29, 2026

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