| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Sort Colors LeetCode Solution | 3632 |
| 2 | First non Repeating Element | 3378 |
| 3 | Implementation of Deque using Doubly Linked List | 3365 |
| 4 | Merge k Sorted Lists Leetcode Solution | 2613 |
| 5 | Reversing the First K elements of a Queue | 2496 |
| 6 | Mobile Numeric Keypad Problem | 2005 |
| 7 | LRU Cache Leetcode Solution | 1949 |
| 8 | Binary Tree Maximum Path Sum LeetCode Solution | 1832 |
| 9 | Design a Stack With Increment Operation Leetcode Solution | 1472 |
| 10 | Height of a generic tree from parent array | 895 |
