Resources
Curated collection of the best DSA learning resources
LeetCode
The most popular platform for coding interview preparation
- 2500+ coding problems
- Company-specific questions
- Weekly contests
- Discussion forums
CodeForces
Competitive programming platform with regular contests
- High quality problems
- Regular competitions
- Educational rounds
- Problem ratings
AtCoder
Japanese competitive programming platform
- High-quality contests
- Beginner friendly
- Regular competitions
- Educational content
CSES Problem Set
Comprehensive problem set for learning algorithms
- 300+ algorithmic problems
- Sorted by topic
- Test cases provided
- Solutions available
CodeChef
Competitive programming platform with long and short contests
- Multiple contest formats
- Practice problems
- Discussion forum
- DSA learning resources
HackerRank
Platform focusing on both competitive programming and interview prep
- Company contests
- Skill certification
- Interview preparation kit
- Problem solving