| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | 3Sum Leetcode Solution | 5965 |
| 2 | Valid Parentheses LeetCode Solution | 5890 |
| 3 | Plus One Leetcode Solution | 5698 |
| 4 | First Repeating Element | 5105 |
| 5 | Single Number Leetcode Solution | 4973 |
| 6 | Search Insert Position Leetcode Solution | 4475 |
| 7 | Find the Maximum Repeating Number in Array | 4354 |
| 8 | Pow(x, n) Leetcode Solution | 4196 |
| 9 | Contains Duplicate II Leetcode Solution | 4150 |
| 10 | Sqrt(x) Leetcode Solution | 4103 |
| 11 | Intersection of Two Arrays II Leetcode Solution | 4041 |
| 12 | Count Primes Leetcode Solutions | 3898 |
| 13 | Roman to Integer Leetcode Solution | 3890 |
| 14 | Merge Sorted Arrays Leetcode Solution | 3789 |
| 15 | Reverse Vowels of a String Leetcode Solution | 3636 |
| 16 | Concatenation of Array LeetCode Solution | 3545 |
| 17 | Find All Numbers Disappeared in an Array Leetcode Solution | 3523 |
| 18 | Spiral Matrix LeetCode Solution | 3314 |
| 19 | Meeting Rooms II LeetCode Solution | 3275 |
| 20 | Longest Palindromic Substring LeetCode Solution | 3212 |
| 21 | Reverse String Without Temporary Variable | 3212 |
| 22 | Subarray and Subsequence | 3182 |
| 23 | Longest Common Prefix Leetcode Solution | 3181 |
| 24 | Maximum Subarray Leetcode Solution | 3094 |
| 25 | Jewels and Stones Leetcode Solution | 3094 |
| 26 | Jump Game Leetcode Solution | 3007 |
| 27 | Number of Islands LeetCode Solution | 2953 |
| 28 | Third Maximum Number Leetcode Solution | 2940 |
| 29 | Isomorphic Strings Leetcode Solution | 2921 |
| 30 | Missing Number Leetcode Solution | 2916 |
