A collection of LeetCode problem solutions implemented in Java with detailed complexity analysis and test coverage.
🔄 Currently migrating from old structure to new directory structure
This project is being reorganized.
- ✅ Migrated problems in
src/main/java/com/leetcode/directory - ⏳ Legacy problems still being migrated
leetcode-java/
├── src/
│ ├── main/
│ │ └── java/
│ │ └── com/
│ │ └── leetcode/
│ │ ├── easy/ # Easy difficulty problems
│ │ ├── medium/ # Medium difficulty problems
│ │ ├── hard/ # Hard difficulty problems
│ │ └── datastructure/ # Data structure implementations
│ └── test/
│ └── java/
│ └── com/
│ └── leetcode/
│ ├── easy/ # Test cases for easy problems
│ ├── medium/ # Test cases for medium problems
│ └── hard/ # Test cases for hard problems
├── docs/ # Detailed problem lists by difficulty
├── pom.xml # Maven configuration
└── README.md # This file
Each problem follows this structure:
{difficulty}/{ProblemName}{Number}.java # Solution implementation
{difficulty}/{ProblemName}{Number}Test.java # Test cases
📊 Statistics: 56 problems solved (migrated to new structure)
| Difficulty | Count |
|---|---|
| Easy | 40 |
| Medium | 15 |
| Hard | 1 |