| # | Title | Solution | Difficulty |
|---|---|---|---|
| 1 | Two Sum | Java, C++ | Easy |
| 9 | Palindrome Number | Java | Easy |
| 13 | Roman to Integer | Java | Easy |
| 14 | Longest Common Prefix | Java | Easy |
| 20 | Valid Parentheses | Java | Easy |
| 21 | Merge Two Sorted Lists | Java | Easy |
| 26 | Remove Duplicates from Sorted Array | Java, C++ | Easy |
| 27 | Remove Element | Java, C++ | Easy |
| 28 | Find the Index of the First Occurrence in a String | Java | Easy |
| 35 | Search Insert Position | Java | Easy |
| 53 | Maximum Subarray | Java | Medium |
| 58 | Length of Last Word | Java | Easy |
| 66 | Plus One | Java | Easy |
| 67 | Add Binary | Java | Easy |
| 69 | Sqrt(x) | Java | Easy |
| 70 | Climbing Stairs | Java | Easy |
| 88 | Merge Sorted Array | Java | Easy |
| 118 | Pascal's Triangle | Java | Easy |
| 119 | Pascal's Triangle II | Java | Easy |
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 192 | Word Frequency | Bash | Medium |
| 193 | Valid Phone Numbers | Bash | Easy |
| 194 | Transpose File | Bash | Medium |
| 195 | Tenth Line | Bash | Easy |