| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | 3Sum Leetcode Solution | 5880 |
| 2 | Valid Parentheses LeetCode Solution | 5797 |
| 3 | First Repeating Element | 5052 |
| 4 | Single Number Leetcode Solution | 4905 |
| 5 | Search Insert Position Leetcode Solution | 4383 |
| 6 | Find the Maximum Repeating Number in Array | 4301 |
| 7 | Pow(x, n) Leetcode Solution | 4136 |
| 8 | Sqrt(x) Leetcode Solution | 4035 |
| 9 | Roman to Integer Leetcode Solution | 3839 |
| 10 | Running Sum of 1d Array Leetcode Solution | 3806 |
| 11 | Merge Sorted Arrays Leetcode Solution | 3723 |
| 12 | Valid Palindrome Leetcode Solution | 3550 |
| 13 | Concatenation of Array LeetCode Solution | 3474 |
| 14 | Find All Numbers Disappeared in an Array Leetcode Solution | 3453 |
| 15 | Word Search Leetcode Solution | 3271 |
| 16 | Spiral Matrix LeetCode Solution | 3254 |
| 17 | Meeting Rooms II LeetCode Solution | 3216 |
| 18 | Kids With the Greatest Number of Candies Leetcode Solution | 3200 |
| 19 | Longest Palindromic Substring LeetCode Solution | 3154 |
| 20 | Longest Common Prefix Leetcode Solution | 3123 |
| 21 | Maximum Subarray Leetcode Solution | 3050 |
| 22 | Jump Game Leetcode Solution | 2960 |
| 23 | Number of Islands LeetCode Solution | 2907 |
| 24 | Isomorphic Strings Leetcode Solution | 2878 |
| 25 | Missing Number Leetcode Solution | 2874 |
| 26 | Next Greater Element I Leetcode Solution | 2788 |
| 27 | Combination Sum Leetcode Solution | 2761 |
| 28 | 3Sum Closest LeetCode Solution | 2754 |
| 29 | Rearrange Positive and Negative Numbers Alternatively in Array | 2735 |
| 30 | Integer to Roman Leetcode Solution | 2693 |
