| # | LeetCode Problem | Difficulty | Small solution |
|---|---|---|---|
| 1 | Two Sum | Easy | ~5–8 lines |
| 2 | Palindrome Number | Easy | ~5 lines |
| 3 | Roman to Integer | Easy | ~8–10 lines |
| 4 | Valid Parentheses | Easy | ~8–12 lines |
| 5 | Best Time to Buy and Sell Stock | Easy | ~6 lines |
| 6 | Contains Duplicate | Easy | ~4 lines |
| 7 | Maximum Subarray | Easy | ~5 lines |
| 8 | Plus One | Easy | ~7 lines |
| 9 | Move Zeroes | Easy | ~6 lines |
| 10 | Reverse String | Easy | ~3 lines |
| 11 | Valid Anagram | Easy | ~4–6 lines |
| 12 | Missing Number | Easy | ~4 lines |
| 13 | Single Number | Easy | ~3 lines |
| 14 | Climbing Stairs | Easy | ~6 lines |
| 15 | Fizz Buzz | Easy | ~5 lines |