| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | First non Repeating Element | 2168 |
| 2 | Implementation of Deque using Doubly Linked List | 2049 |
| 3 | Merge k Sorted Lists Leetcode Solution | 1566 |
| 4 | Sort Colors LeetCode Solution | 1412 |
| 5 | Reversing the First K elements of a Queue | 1410 |
| 6 | Mobile Numeric Keypad Problem | 1209 |
| 7 | Binary Tree Maximum Path Sum LeetCode Solution | 1079 |
| 8 | LRU Cache Leetcode Solution | 1031 |
| 9 | Design a Stack With Increment Operation Leetcode Solution | 805 |
| 10 | Height of a generic tree from parent array | 651 |
