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CODE100 Puzzles

CODE100 is a coding competition where the challengers have to prove their knowledge and coding skills. Some of the rounds are quizzes and buzzer questions, while others are language-agnostic coding challenges.

Due to popular demand, we are publishing the challenges and solutions of CODE100 here. Check out the different challenges, get explanations how to approach a problem like that and example code that solve the puzzle.

On-stage challenges

WeAreDevelopers World Congress 2023

Zagreb 2023

Amsterdam 2024

Manchester 2024

On-line challenges (Dev Digest)