All companies
Zopsmart
2 Easy12 Medium2 Hard16 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 6 | Zigzag Conversion | Medium | |
| 42 | Trapping Rain Water | Hard | |
| 394 | Decode String | Medium | |
| 2074 | Reverse Nodes in Even Length Groups | Medium | |
| 3602 | Hexadecimal and Hexatrigesimal Conversion | Easy | |
| 402 | Remove K Digits | Medium | |
| 299 | Bulls and Cows | Medium | |
| 151 | Reverse Words in a String | Medium | |
| 592 | Fraction Addition and Subtraction | Medium | |
| 11 | Container With Most Water | Medium | |
| 17 | Letter Combinations of a Phone Number | Medium | |
| 5 | Longest Palindromic Substring | Medium | |
| 242 | Valid Anagram | Easy | |
| 991 | Broken Calculator | Medium | |
| 93 | Restore IP Addresses | Medium | |
| 25 | Reverse Nodes in k-Group | Hard |