| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Valid Parentheses LeetCode Solution | 13028 |
| 2 | First Repeating Element | 11334 |
| 3 | 3Sum Leetcode Solution | 11232 |
| 4 | Single Number Leetcode Solution | 10757 |
| 5 | Pow(x, n) Leetcode Solution | 9436 |
| 6 | Sqrt(x) Leetcode Solution | 8871 |
| 7 | Merge Sorted Arrays Leetcode Solution | 8841 |
| 8 | Meeting Rooms II LeetCode Solution | 8769 |
| 9 | Search Insert Position Leetcode Solution | 8044 |
| 10 | Roman to Integer Leetcode Solution | 7849 |
| 11 | Valid Palindrome Leetcode Solution | 7721 |
| 12 | Concatenation of Array LeetCode Solution | 7674 |
| 13 | Find the Maximum Repeating Number in Array | 7543 |
| 14 | Palindrome Number LeetCode Solution | 7505 |
| 15 | Jump Game Leetcode Solution | 7100 |
| 16 | Kids With the Greatest Number of Candies Leetcode Solution | 6986 |
| 17 | Spiral Matrix LeetCode Solution | 6827 |
| 18 | Find All Numbers Disappeared in an Array Leetcode Solution | 6546 |
| 19 | Longest Palindromic Substring LeetCode Solution | 6484 |
| 20 | Running Sum of 1d Array Leetcode Solution | 6459 |
| 21 | Permutations Leetcode Solution | 6211 |
| 22 | Next Permutation Leetcode Solution | 6181 |
| 23 | Longest Common Prefix Leetcode Solution | 6139 |
| 24 | Maximum Subarray Leetcode Solution | 6070 |
| 25 | Word Search Leetcode Solution | 5980 |
| 26 | Frog Jump Leetcode Solution | 5968 |
| 27 | Longest Substring Without Repeating Characters LeetCode Solution | 5930 |
| 28 | Number of Islands LeetCode Solution | 5826 |
| 29 | Daily Temperatures Leetcode Solution | 5791 |
| 30 | Combination Sum Leetcode Solution | 5739 |
