| # | Problem | Difficulty | Category | Solution |
|---|---|---|---|---|
| 1 | Two Sum | Hash Tables | Python | |
| 3 | Longest Substring Without Repeating Characters | Strings | Python | |
| 4 | Median of Two Sorted Arrays | Arrays | Python | |
| 5 | Longest Palindromic Substring | Strings | Python | |
| 6 | Zigzag Conversion | Strings | Python | |
| 7 | Reverse Integer | Math | Python |
Each problem lives in its own folder under the matching category.
leetcode/
└── <category>/
└── <number>_<problem_name>/
└── solution.py
Example
strings/3_longest_substring_without_repeating_characters/solution.py
cd <category>/<number>_<problem_name>
python solution.pyData Structures · Algorithms · Problem Solving