| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Valid Parentheses LeetCode Solution | 6041 |
| 2 | First Repeating Element | 5229 |
| 3 | Find the Maximum Repeating Number in Array | 4430 |
| 4 | Pow(x, n) Leetcode Solution | 4307 |
| 5 | Roman to Integer Leetcode Solution | 3982 |
| 6 | Merge Sorted Arrays Leetcode Solution | 3883 |
| 7 | Meeting Rooms II LeetCode Solution | 3377 |
| 8 | Maximum Subarray Leetcode Solution | 3162 |
| 9 | Number of Islands LeetCode Solution | 3030 |
| 10 | Missing Number Leetcode Solution | 2986 |
| 11 | Combination Sum Leetcode Solution | 2903 |
| 12 | Search in Rotated Sorted Array Leetcode Solution | 2832 |
| 13 | Permutations Leetcode Solution | 2806 |
| 14 | Median of Two Sorted Arrays LeetCode Solution | 2779 |
| 15 | Move Zeroes LeetCode Solution | 2775 |
| 16 | Longest Substring Without Repeating Characters LeetCode Solution | 2765 |
| 17 | Subarray with Given Sum | 2686 |
| 18 | String to Integer (atoi) LeetCode Solution | 2576 |
| 19 | Unique Paths Leetcode Solution | 2383 |
| 20 | Find Triplet in Array With a Given Sum | 2323 |
| 21 | Quick Sort | 2322 |
| 22 | Find Smallest Missing Number in a Sorted Array | 2286 |
| 23 | Smallest Positive Number Missing in an Unsorted Array | 2278 |
| 24 | Find the Winner of the Circular Game LeetCode Solution | 2240 |
| 25 | A Product Array Puzzle | 2240 |
| 26 | Rotate String LeetCode Solution | 2232 |
| 27 | Find Leaders in an Array | 2225 |
| 28 | Find the Missing Number | 2211 |
| 29 | Minimum Cost For Tickets Leetcode Solution | 2198 |
| 30 | String Compression LeetCode Solution | 2149 |
