Top 50 most asked dsa theory interview questions

Top 50 most asked dsa theory interview questions

Sure, here are 50 commonly asked data structures and algorithms (DSA) interview questions:

  1. What are data structures?

  2. What are the different types of data structures?

  3. What is an algorithm?

  4. What is the difference between an algorithm and a data structure?

  5. What is the time complexity of an algorithm?

  6. What is space complexity?

  7. What is a stack?

  8. What is a queue?

  9. What is a linked list?

  10. What is a binary tree?

  11. What is a binary search tree?

  12. What is a hash table?

  13. What is a heap?

  14. What is a graph?

  15. What is breadth-first search (BFS)?

  16. What is depth-first search (DFS)?

  17. What is Dijkstra's algorithm?

  18. What is the difference between BFS and DFS?

  19. What is a dynamic programming?

  20. What is memoization?

  21. What is recursion?

  22. What is a recursive function?

  23. What is an iterative function?

  24. What is a priority queue?

  25. What is a sorting algorithm?

  26. What is bubble sort?

  27. What is selection sort?

  28. What is insertion sort?

  29. What is quicksort?

  30. What is mergesort?

  31. What is radix sort?

  32. What is binary search?

  33. What is a binary search algorithm?

  34. What is a binary search tree (BST)?

  35. What is an AVL tree?

  36. What is a red-black tree?

  37. What is a trie?

  38. What is a dynamic array?

  39. What is a circular buffer?

  40. What is a doubly linked list?

  41. What is a singly linked list?

  42. What is an adjacency list?

  43. What is an adjacency matrix?

  44. What is the Knapsack problem?

  45. What is the Travelling Salesman problem?

  46. What is the Manhattan distance?

  47. What is a bit manipulation?

  48. What is a sliding window technique?

  49. What is the longest common subsequence?

  50. What is the longest increasing subsequence?

Note: This is not an exhaustive list and there may be other DSA interview questions that can be asked as well. Additionally, some questions may be more commonly asked in certain types of interviews or for specific roles, such as software engineer or data scientist.

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