A source of competitive and algorithmic programming questions
- Competitive programming - Wikipedia
- What is Competitive Programming and How to Prepare for It?
- What is Competitive Programming? - Codecademy
- What is competitive programming? - Quora
- What is Competitive Programming?
- How to start Competitive Programming? For beginners!
- What is Competitive Programming? (with Errichto)
- How to Start Competitive Programming on Codeforces ...)