| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | First Repeating Element | 5185 |
| 2 | Single Number Leetcode Solution | 5031 |
| 3 | Find the Maximum Repeating Number in Array | 4387 |
| 4 | Roman to Integer Leetcode Solution | 3933 |
| 5 | Merge Sorted Arrays Leetcode Solution | 3835 |
| 6 | Find All Numbers Disappeared in an Array Leetcode Solution | 3580 |
| 7 | Longest Palindromic Substring LeetCode Solution | 3227 |
| 8 | Jewels and Stones Leetcode Solution | 3120 |
| 9 | Isomorphic Strings Leetcode Solution | 2941 |
| 10 | Bulb Switcher LeetCode Solution | 2837 |
| 11 | Search in Rotated Sorted Array Leetcode Solution | 2790 |
| 12 | Permutations Leetcode Solution | 2776 |
| 13 | Integer to Roman Leetcode Solution | 2766 |
| 14 | Median of Two Sorted Arrays LeetCode Solution | 2748 |
| 15 | Longest Substring Without Repeating Characters LeetCode Solution | 2724 |
| 16 | Subarray with Given Sum | 2679 |
| 17 | Frog Jump Leetcode Solution | 2323 |
| 18 | Find Triplet in Array With a Given Sum | 2303 |
| 19 | A Product Array Puzzle | 2223 |
| 20 | Can Place Flowers LeetCode Solution | 2206 |
| 21 | Rotate String LeetCode Solution | 2183 |
| 22 | Majority Element Leetcode Solution | 2120 |
| 23 | Binary Search LeetCode Solution | 2112 |
| 24 | Divide Two Integers Leetcode Solution | 2102 |
| 25 | Palindrome Number LeetCode Solution | 1993 |
| 26 | Valid Palindrome II Leetcode Solution | 1989 |
| 27 | Reverse Integer Leetcode Solution | 1957 |
| 28 | Valid Anagram Leetcode Solution | 1952 |
| 29 | First Unique Character in a String LeetCode Solution | 1923 |
| 30 | Find the Duplicate Number LeetCode Solution | 1818 |
