| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Rabin Karp Algorithm | 2227 |
| 2 | Valid Palindrome II Leetcode Solution | 1989 |
| 3 | KMP Algorithm | 1854 |
| 4 | Minimum Steps to reach target by a Knight | 1780 |
| 5 | Subarray with 0 sum | 1721 |
| 6 | Arrange given Numbers to Form the Biggest Number II | 1679 |
| 7 | Segregate even and odd numbers | 1503 |
| 8 | Product of Array Except Self LeetCode Solution | 1478 |
| 9 | Reverse words in a string | 1469 |
| 10 | Find Pythagorean Triplets from Array | 1450 |
| 11 | Check if String can Become Empty by Recursively Deleting given Substring | 1369 |
| 12 | Reverse a linked list | 1352 |
| 13 | Count Number of Occurrences in a Sorted Array | 1308 |
| 14 | Compare Two Version Numbers | 1248 |
| 15 | Sort 0s 1s and 2s in an Array | 1146 |
| 16 | Maximum difference between two elements such as larger element comes after smaller | 1131 |
| 17 | Reverse Nodes in k-Group LeetCode Solution | 1049 |
| 18 | LRU Cache Leetcode Solution | 1020 |
| 19 | Largest Sum Contiguous Subarray | 965 |
| 20 | The Knapsack Problem | 906 |
| 21 | Queue using Stacks | 881 |
| 22 | Perfect Reversible String | 866 |
| 23 | Segregate 0s and 1s in an Array | 860 |
| 24 | Reverse Integer | 854 |
| 25 | Find distance between two nodes of a Binary Tree | 822 |
| 26 | Maximum difference between first and last indexes of an element in array | 811 |
| 27 | Print a Binary Tree in Vertical Order | 774 |
| 28 | Rotate Array | 737 |
| 29 | Contiguous Array | 721 |
| 30 | Largest subarray with equal number of 0s and 1s | 716 |
