| Order | Question | Difficulty | Votes |
|---|---|---|---|
| 1 | First Unique Character in a String | Easy | |
| 2 | Intersection of Two Arrays | Easy | |
| 3 | Happy Number | Easy | |
| 4 | Longest Substring Without Repeating Characters | Medium | |
| 5 | Group Anagrams | Medium | |
| 6 | Subarray Sum Equals K | Medium |
| Order | Question | Difficulty | Votes |
|---|---|---|---|
| 1 | First Unique Character in a String | Easy | |
| 2 | Intersection of Two Arrays | Easy | |
| 3 | Happy Number | Easy | |
| 4 | Longest Substring Without Repeating Characters | Medium | |
| 5 | Group Anagrams | Medium | |
| 6 | Subarray Sum Equals K | Medium |