| S.No |
Interview Question |
Number of times candidates experienced this question in interviews |
| 1 | Single Number Leetcode Solution | 5093 |
| 2 | Meeting Rooms II LeetCode Solution | 3375 |
| 3 | Multiply Strings Leetcode Solution | 2808 |
| 4 | Integer to Roman Leetcode Solution | 2793 |
| 5 | Daily Temperatures Leetcode Solution | 2388 |
| 6 | A Product Array Puzzle | 2240 |
| 7 | Number of Provinces Leetcode Solution | 2012 |
| 8 | Find Pair with Given Difference | 1990 |
| 9 | First Unique Character in a String LeetCode Solution | 1950 |
| 10 | Sort Characters By Frequency LeetCode Solution | 1680 |
| 11 | Trapping Rain Water Leetcode Solution | 1559 |
| 12 | Product of Array Except Self LeetCode Solution | 1491 |
| 13 | Single Element in a Sorted Array LeetCode Solution | 1469 |
| 14 | Group Anagrams LeetCode Solution | 1466 |
| 15 | Top K Frequent Elements LeetCode Solution | 1379 |
| 16 | Count Number of Occurrences in a Sorted Array | 1318 |
| 17 | Maximal Square | 1303 |
| 18 | Time Based Key-Value Store LeetCode Solution | 1302 |
| 19 | N queen problem | 1268 |
| 20 | Minimum Number of Steps to Make Two Strings Anagram Leetcode Solutions | 1259 |
| 21 | Regular Expression Matching Regular Expression Matching LeetCode Solution | 1243 |
| 22 | Minimum Knight Moves LeetCode Solution | 1233 |
| 23 | Clone Graph LeetCode Solution | 1193 |
| 24 | Jump Game IV LeetCode Solution | 1185 |
| 25 | Insert Interval Leetcode Solution | 1185 |
| 26 | One Edit Distance LeetCode Solution | 1178 |
| 27 | Distance of nearest cell having 1 in a binary matrix | 1144 |
| 28 | Merge Overlapping Intervals II | 1140 |
| 29 | Minimum Increment to Make Array Unique Leetcode Solution | 1121 |
| 30 | Insert Delete GetRandom O(1) Leetcode Solution | 1105 |
