| 1. Reverse Linked List in Pairs | Linked List | 63.00% | | Medium |
| 2. Reverse Linked List in K Groups | Linked List | 60.00% | | Medium |
| 3. Reverse Sublist (Between Left & Right) | Linked List | 67.00% | | Medium |
| 4. Swap Nodes in Pairs | Linked List | 65.00% | | Medium |
| 5. Check if Linked List is Palindrome | Linked List | 67.00% | | Medium |
| 6. Find Start of Cycle | Linked List | 57.00% | | Medium |
| 7. Detect Cycle In Linked List | Linked List | 65.00% | | Medium |
| 8. Nth Node From End | Linked List | 69.00% | | Medium |
| 9. Find Middle of Linked List | Linked List | 87.00% | | Easy |
| 10. Reverse A Linked List | Linked List | 79.00% | | Easy |
| 11. Length of Linked List | Linked List | 76.00% | | Easy |
| 12. Search in a 2D Matrix | Recursion Binary Search | 86.00% | | Medium |
| 13. Find Minimum In Rotated Sorted Array | Recursion | 89.00% | | Medium |
| 14. Peak Element In Rotated Array | Recursion | 88.00% | | Easy |
| 15. Flood Fill | Recursion | 69.00% | | Medium |
| 16. Generate All Subsequence | Recursion | 56.00% | | Medium |
| 17. Diameter of Binary Tree | Recursion | 75.00% | | Medium |
| 18. Check if Binary Tree is Balanced | Recursion | 77.00% | | Medium |
| 19. Generate All Subsets | Recursion | 60.00% | | Medium |
| 20. Count Nodes in Binary Tree | Recursion | 64.00% | | Medium |
| 21. Height of Binary Tree | Recursion | 57.00% | | Medium |
| 22. Letter Combinations of Phone Number | Recursion | 60.00% | | Medium |
| 23. Tiling Problem | Recursion | 50.00% | | Medium |
| 24. Permutation Without Duplicates | Recursion | 67.00% | | Medium |
| 25. Combination Sum II | Recursion | 76.00% | | Medium |
| 26. Target Sum Ways | Recursion | 64.00% | | Hard |
| 27. Partition Equal Subset | Recursion | 77.00% | | Easy |
| 28. Number of Islands | Recursion | 66.00% | | Medium |
| 29. Unique Path | Recursion | 56.00% | | Hard |
| 30. Rat In A Maze | Recursion | 38.00% | | Hard |
| 31. Permutation of an Array | Array Recursion | 68.00% | | Medium |
| 32. Permutation of A String | String Recursion | 66.00% | | Medium |
| 33. Subsets with Duplicates | Recursion | 74.00% | | Medium |
| 34. Factorial of N | Recursion | 60.00% | | Easy |
| 35. Count Ways To Reach Nth Stair | Recursion | 60.00% | | Medium |
| 36. Friends Pairing Problem | Recursion | 50.00% | | Medium |
| 37. Count Binary Strings | Recursion | 60.00% | | Medium |
| 38. Fibonacci Series (Tree Recursion) | Recursion | 60.00% | | Medium |
| 39. Check String Is Subsequence To Another | Recursion | 75.00% | | Medium |
| 40. Convert String to Integer | Recursion | 60.00% | | Medium |
| 41. Replace pi to 3.14 | Recursion | 75.00% | | Easy |
| 42. Remove All Occurrence of A Character | Recursion | 75.00% | | Easy |
| 43. Remove Consecutive Duplicates | Recursion | 60.00% | | Easy |
| 44. Count Characters | Recursion | 85.00% | | Easy |
| 45. Check Palindrome | Recursion | 90.00% | | Easy |
| 46. Reverse A String | Recursion | 48.00% | | Easy |
| 47. Product of All Array Elements | Recursion | 80.00% | | Easy |
| 48. Sum of Array Elements | Recursion | 58.00% | | Easy |
| 49. Reverse An Array | Recursion | 85.00% | | Easy |
| 50. All Occurrence Of An Element | Recursion | 59.00% | | Easy |
| 51. Last Occurrence Of An Element | Recursion | 65.00% | | Easy |
| 52. First Occurrence Of An Element In An Array | Recursion | 75.00% | | Easy |
| 53. Check Array is Sorted | Recursion | 80.00% | | Basic |
| 54. Find Maximum / Minimum in Array | Recursion | 75.00% | | Easy |
| 55. Print Array Elements | Recursion | 50.00% | | Easy |
| 56. Fibonacci Series | Recursion | 85.00% | | Easy |
| 57. Power of (a^b) | Recursion | 85.00% | | Easy |
| 58. Combination Sum | Recursion | 75.00% | | Medium |
| 59. Print Numbers from 1 to N | Recursion | 75.00% | | Easy |
| 60. Print Number From N to 1 | Recursion | 80.00% | | Easy |
| 61. Sum Of First N Natural Numbers | Recursion | 60.00% | | Easy |
| 62. Detect Loop in linked list | Linked List | 43.49% | | Medium |
| 63. Palindrome Linked List | Linked List | 41.48% | | Medium |
| 64. Categorize even and odd nodes in a Linked List | Linked List | 49.80% | | Medium |
| 65. Word Search | Recursion | 32.69% | | Medium |
| 66. Print Pattern | Recursion | 56.39% | | Easy |
| 67. Subset Sums | Recursion | 72.55% | | Medium |
| 68. Merge Sort for Linked List | Linked List | 74.76% | | Medium |
| 69. Reverse a Linked List in Groups | Linked List | 57.08% | | Medium |
| 70. Intersection of Two Linked Lists | Linked List | 35.30% | | Easy |
| 71. Distinct Paths II | Array Recursion Dynamic Programming 2D Array | 50.00% | | Medium |
| 72. Distinct Paths | Array Recursion Dynamic Programming 2D Array | 50.00% | | Medium |
| 73. Tower of Hanoi | Recursion | 35.23% | | Medium |
| 74. Power Of Numbers | Recursion | 20.22% | | Medium |
| 75. Sort a stack | Recursion | 69.19% | | Medium |
| 76. Flattening a Linked List | Linked List | 51.53% | | Medium |
| 77. Kth from End of Linked List | Linked List | 47.30% | | Medium |
| 78. Merge Two Sorted Lists | Linked List | 65.70% | | Medium |
| 79. Reverse a Linked List | Linked List | 78.10% | | Easy |
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