| Id | Title | Solution | Time | Runtime | Space | Difficulty | Catagory |
|---|---|---|---|---|---|---|---|
| 0007 | Reverse Integer | C | - | 15ms | O(1) | Easy | Digital |
| 0008 | String to Integer (atoi) | C | - | 15ms | O(1) | Medium | Digital |
| 0009 | Palindrome Number | C | - | 185ms | O(1) | Easy | Digital |
| 0012 | Integer to Roman | C,C++,C# | O(n) | 49ms | O(1) | Medium | Digital |
| 0013 | Roman to Integer | C++ | O(n) | 85ms | O(1) | Easy | Digital |
| 0015 | 3Sum | C | O(n*n) | 97.96% | O(n*n) | Medium | Digital |
| 0016 | 3Sum Closest | C | O(n*n) | 6ms | O(1) | Medium | Digital |
| 0258 | Add Digits | C | - | - | - | Easy | Digital |
| 0334 | Increasing Triplet Subsequence | Java | - | - | - | Medium | DIgital |
| 0371 | Sum of Two Integers | Java | - | - | - | Easy | Math |
| 0386 | Lexicographical Numbers | Java | - | - | - | Medium | Math |