| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Two Sum Leetcode Solution | 10973 |
| 2 | First Repeating Element | 5083 |
| 3 | Find the Maximum Repeating Number in Array | 4326 |
| 4 | Word Search Leetcode Solution | 3310 |
| 5 | Spiral Matrix LeetCode Solution | 3292 |
| 6 | Sudoku Solver | 1588 |
| 7 | Trapping Rain Water Leetcode Solution | 1500 |
| 8 | Employee Free Time LeetCode Solution | 1499 |
| 9 | Decode String Leetcode Solution | 1490 |
| 10 | Maximum Product of Three Numbers LeetCode Solution | 1442 |
| 11 | Count of index pairs with equal elements in an array | 1327 |
| 12 | Generate Parentheses Leetcode Solution | 1299 |
| 13 | Word Search | 1299 |
| 14 | Palindrome Substring Queries | 1207 |
| 15 | Painting Fence Algorithm | 1204 |
| 16 | Interval Tree | 1124 |
| 17 | Check if Array Contains Contiguous Integers With Duplicates Allowed | 1080 |
| 18 | Increasing Subsequence of Length three with Maximum Product | 1064 |
| 19 | Intersection of Two Linked Lists LeetCode Solution | 1041 |
| 20 | Reverse Nodes in k-Group LeetCode Solution | 1035 |
| 21 | Find the first Repeating Number in a Given Array | 996 |
| 22 | LRU Cache Leetcode Solution | 995 |
| 23 | Container With Most Water LeetCode Solution | 943 |
| 24 | Lowest Common Ancestor of a Binary Tree Leetcode Solution | 927 |
| 25 | Heap Sort | 864 |
| 26 | My Calendar I LeetCode Solution | 863 |
| 27 | Delete Nth node from the end of the given linked list | 806 |
| 28 | Print all triplets in sorted array that form AP | 773 |
| 29 | Find Sum of all unique sub-array sum for a given array | 666 |
| 30 | Minimum insertions to form a palindrome with permutations allowed | 633 |
