| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Two Sum Leetcode Solution | 24095 |
| 2 | First Repeating Element | 10053 |
| 3 | Find the Maximum Repeating Number in Array | 6812 |
| 4 | Spiral Matrix LeetCode Solution | 5910 |
| 5 | Word Search Leetcode Solution | 5240 |
| 6 | Employee Free Time LeetCode Solution | 3233 |
| 7 | Decode String Leetcode Solution | 3219 |
| 8 | Trapping Rain Water Leetcode Solution | 2892 |
| 9 | Generate Parentheses Leetcode Solution | 2646 |
| 10 | Maximum Product of Three Numbers LeetCode Solution | 2598 |
| 11 | Count of index pairs with equal elements in an array | 2309 |
| 12 | Sudoku Solver | 2285 |
| 13 | Painting Fence Algorithm | 2078 |
| 14 | Lowest Common Ancestor of a Binary Tree Leetcode Solution | 1958 |
| 15 | LRU Cache Leetcode Solution | 1923 |
| 16 | Container With Most Water LeetCode Solution | 1852 |
| 17 | Palindrome Substring Queries | 1808 |
| 18 | Word Search | 1804 |
| 19 | Intersection of Two Linked Lists LeetCode Solution | 1794 |
| 20 | Reverse Nodes in k-Group LeetCode Solution | 1653 |
| 21 | Check if Array Contains Contiguous Integers With Duplicates Allowed | 1640 |
| 22 | Interval Tree | 1637 |
| 23 | Find the first Repeating Number in a Given Array | 1597 |
| 24 | Increasing Subsequence of Length three with Maximum Product | 1355 |
| 25 | My Calendar I LeetCode Solution | 1352 |
| 26 | Heap Sort | 1276 |
| 27 | Delete Nth node from the end of the given linked list | 1249 |
| 28 | Find Sum of all unique sub-array sum for a given array | 1146 |
| 29 | Print all triplets in sorted array that form AP | 1140 |
| 30 | Delete Nodes and Return Forest Leetcode Solution | 1118 |
