Learn DSA

The path runs top to bottom, and practice for each topic branches off it. Nothing is locked — the order is a suggestion, so start anywhere.

  1. Data Structures
  2. 1. Arrays & Traversal
  3. 2. Linked Lists
  4. 3. Stacks & Queues
  5. 4. Hash Maps
  6. 5. Trees
  7. 6. Heaps & Priority Queues
  8. 7. Graphs
  9. 8. Tries
  10. 9. Union-Find
  11. Algorithms
  12. 1. Two Pointers
  13. 2. Sliding Window
  14. 3. Prefix Sums
  15. 4. Binary Search
  16. 5. Sorting
  17. 6. Recursion & Memoisation
  18. 7. Backtracking
  19. 8. Greedy
  20. 9. Dynamic Programming
  21. 10. Intervals
  22. 11. Bit Manipulation