| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Rotate Image LeetCode Solution | 5711 |
| 2 | Count subarrays with equal number of 1’s and 0’s | 4841 |
| 3 | Count all subsequences having product less than K | 4621 |
| 4 | Sum of minimum and maximum elements of all subarrays of size k | 4368 |
| 5 | Trapping Rain Water Leetcode Solution | 3488 |
| 6 | Smallest Positive Number Missing in an Unsorted Array | 3223 |
| 7 | Printing brackets in Matrix Chain Multiplication Problem | 3222 |
| 8 | Find the smallest positive integer value that cannot be represented as sum of any subset of a given array | 3196 |
| 9 | Time Based Key-Value Store LeetCode Solution | 3157 |
| 10 | Minimum Increment to Make Array Unique Leetcode Solution | 3107 |
| 11 | Insert Delete GetRandom O(1) Leetcode Solution | 3091 |
| 12 | Letter Combinations of a Phone Number | 3062 |
| 13 | Count subarrays having total distinct elements same as original array | 2031 |
| 14 | Trapping Rain Water LeetCode Solution | 1903 |
| 15 | Decode Ways | 1812 |
| 16 | Sliding Window Maximum | 1734 |
| 17 | Merge K Sorted Linked Lists | 1547 |
| 18 | Design Skiplist LeetCode Solution | 1472 |
| 19 | Check whether a given Binary Tree is Complete or not | 1319 |
| 20 | Find Three Element From Different Three Arrays Such That a + b + c = sum | 1313 |
| 21 | Closest Leaf in a Binary Tree LeetCode Solution | 1312 |
| 22 | Convert a String that is Repetition of a Substring of Length K | 1294 |
