| 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. Lower Bound | Binary Search | 75.00% | | Medium |
| 13. Kth Smallest Pair Distance | Binary Search | 65.00% | | Medium |
| 14. Find K Closest Elements | Binary Search | 76.00% | | Medium |
| 15. Kth Smallest In Multiplication Table | Binary Search | 75.00% | | Medium |
| 16. Median Of Two Sorted Arrays | Binary Search | 71.00% | | Medium |
| 17. Magnetic Force Between Two Balls | Binary Search | 60.00% | | Medium |
| 18. Find Smallest Divisor Given A Threshold | Binary Search | 67.00% | | Medium |
| 19. Minimise Maximum Distance To Go To Gas Station | Binary Search | 64.00% | | Medium |
| 20. Capacity To Ship Packages Within D Days | Binary Search | 65.00% | | Medium |
| 21. Kth Smallest Element In A Matrix | Binary Search | 70.00% | | Medium |
| 22. Median In Row-Wise Sorted Array | Binary Search | 69.00% | | Medium |
| 23. Search in A Sorted 2D Matrix II | Binary Search | 70.00% | | Medium |
| 24. Search in a 2D Matrix | Recursion Binary Search | 86.00% | | Medium |
| 25. Split Array Largest Sum | Binary Search | 59.00% | | Medium |
| 26. Find Minimum In Rotated Sorted Array | Recursion | 89.00% | | Medium |
| 27. Aggressive Cows | Binary Search | 70.00% | | Medium |
| 28. Allocate Minimum Pages | Binary Search | 62.00% | | Medium |
| 29. Minimum Speed to Arrive on Time | Binary Search | 69.00% | | Medium |
| 30. Koko Eating Bananas | Binary Search | 68.00% | | Medium |
| 31. Square Root of A Number | Binary Search | 63.00% | | Medium |
| 32. Peak Element In Rotated Array | Recursion | 88.00% | | Easy |
| 33. Find Rotation Count | Binary Search | 75.00% | | Easy |
| 34. Search in Rotated Array II | Binary Search | 79.00% | | Easy |
| 35. Upper Bound | Binary Search | 80.00% | | Easy |
| 36. Check if Element Exists | Binary Search | 87.00% | | Easy |
| 37. Find Element in a Sorted Array | Binary Search | 80.00% | | Easy |
| 38. Binary Search (Iterative) | Binary Search | 79.00% | | Easy |
| 39. Flood Fill | Recursion | 69.00% | | Medium |
| 40. Generate All Subsequence | Recursion | 56.00% | | Medium |
| 41. Diameter of Binary Tree | Recursion | 75.00% | | Medium |
| 42. Check if Binary Tree is Balanced | Recursion | 77.00% | | Medium |
| 43. Generate All Subsets | Recursion | 60.00% | | Medium |
| 44. Count Nodes in Binary Tree | Recursion | 64.00% | | Medium |
| 45. Height of Binary Tree | Recursion | 57.00% | | Medium |
| 46. Letter Combinations of Phone Number | Recursion | 60.00% | | Medium |
| 47. Tiling Problem | Recursion | 50.00% | | Medium |
| 48. Permutation Without Duplicates | Recursion | 67.00% | | Medium |
| 49. Combination Sum II | Recursion | 76.00% | | Medium |
| 50. Target Sum Ways | Recursion | 64.00% | | Hard |
| 51. Partition Equal Subset | Recursion | 77.00% | | Easy |
| 52. Number of Islands | Recursion | 66.00% | | Medium |
| 53. Unique Path | Recursion | 56.00% | | Hard |
| 54. Rat In A Maze | Recursion | 38.00% | | Hard |
| 55. Permutation of an Array | Array Recursion | 68.00% | | Medium |
| 56. Permutation of A String | String Recursion | 66.00% | | Medium |
| 57. Subsets with Duplicates | Recursion | 74.00% | | Medium |
| 58. Factorial of N | Recursion | 60.00% | | Easy |
| 59. Count Ways To Reach Nth Stair | Recursion | 60.00% | | Medium |
| 60. Friends Pairing Problem | Recursion | 50.00% | | Medium |
| 61. Count Binary Strings | Recursion | 60.00% | | Medium |
| 62. Fibonacci Series (Tree Recursion) | Recursion | 60.00% | | Medium |
| 63. Check String Is Subsequence To Another | Recursion | 75.00% | | Medium |
| 64. Convert String to Integer | Recursion | 60.00% | | Medium |
| 65. Replace pi to 3.14 | Recursion | 75.00% | | Easy |
| 66. Remove All Occurrence of A Character | Recursion | 75.00% | | Easy |
| 67. Remove Consecutive Duplicates | Recursion | 60.00% | | Easy |
| 68. Count Characters | Recursion | 85.00% | | Easy |
| 69. Check Palindrome | Recursion | 90.00% | | Easy |
| 70. Reverse A String | Recursion | 48.00% | | Easy |
| 71. Product of All Array Elements | Recursion | 80.00% | | Easy |
| 72. Sum of Array Elements | Recursion | 58.00% | | Easy |
| 73. Reverse An Array | Recursion | 85.00% | | Easy |
| 74. All Occurrence Of An Element | Recursion | 59.00% | | Easy |
| 75. Last Occurrence Of An Element | Recursion | 65.00% | | Easy |
| 76. First Occurrence Of An Element In An Array | Recursion | 75.00% | | Easy |
| 77. Check Array is Sorted | Recursion | 80.00% | | Basic |
| 78. Smallest window of 0, 1 and 2 | String | 50.00% | | Easy |
| 79. Find Maximum / Minimum in Array | Recursion | 75.00% | | Easy |
| 80. Print Array Elements | Recursion | 50.00% | | Easy |
| 81. Fibonacci Series | Recursion | 85.00% | | Easy |
| 82. Power of (a^b) | Recursion | 85.00% | | Easy |
| 83. Roman Number to Integer | String | 43.21% | | Easy |
| 84. Longest Palindromic Substring | String | 34.80% | | Medium |
| 85. Remove Duplicates From A String | String Stack | 61.68% | | Easy |
| 86. Missing And Repeating | Array | 24.83% | | Easy |
| 87. Search In Rotated Sorted Array | Array Searching Algorithms | 37.64% | | Medium |
| 88. Form Anagram Groups | String Hashing | 69.80% | | Medium |
| 89. Longest Common Prefix | Array String | 44.20% | | Easy |
| 90. Count Inversions | Array Sorting Algorithms | 16.93% | | Medium |
| 91. 2Sum - Pair With Given Sum | Array Hashing Hashmap | 30.61% | | Easy |
| 92. Maximize Number of 1's | Array Binary Search | 50.00% | | Medium |
| 93. Combination Sum | Recursion | 75.00% | | Medium |
| 94. Print Numbers from 1 to N | Recursion | 75.00% | | Easy |
| 95. Print Number From N to 1 | Recursion | 80.00% | | Easy |
| 96. Sum Of First N Natural Numbers | Recursion | 60.00% | | Easy |
| 97. Largest subarray of 0's and 1's | Data Structures Basics | 50.00% | | Easy |
| 98. Max of min for every window | Stack | 50.00% | | Hard |
| 99. Maximum fruit gathering by birds | Array | 50.00% | | Easy |
| 100. Sum of elements of smallest subarray greater than x | Array | 50.00% | | Easy |
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