- Problem041
- Swift, @luizperes
- Problem042
- Python, @ryukinix
- Problem043
- Swift, @luizperes
- Problem044
- Python, @ryukinix
- Problem045
- Swift, @luizperes
- Python, @ryukinix
- C, @ryukinix and @luizperes
- Go, @ryukinix
- CommonLisp, @ryukinix
- Problem046
- Python, @ryukinix
- Problem047
- Swift, @luizperes
- Python, @ryukinix
- Problem048
- Haskell, @tkovs
- Python, @ryukinix
- CommonLisp, @ryukinix
- Clojure, @ryukinix
- Go, @ryukinix
- C, @ryukinix
- Problem049
- Python, @ryukinix
- Problem050