09cf

Fri 9 May 2025

09cf solved Fibonacci in Haskell

Fri 18 Apr 2025

09cf solved Tutorial in C

Tue 14 Jan 2025

09cf solved ASCII Table in C

Fri 10 Jan 2025

09cf solved Prime Numbers (Long) in C#

Mon 16 Dec 2024

09cf solved Fibonacci in C++

09cf solved Ordinal Numbers in C

Mon 19 Aug 2024

09cf solved Divisors in C#

Mon 4 Mar 2024

09cf solved Fizz Buzz in C++

09cf solved Divisors in C++

Wed 14 Feb 2024

09cf earned 🧪 Black-box Testing

Sat 3 Feb 2024

09cf solved Ordinal Numbers in C++

Wed 24 Jan 2024

09cf solved Leap Years in C++

09cf solved Leap Years in C

Fri 29 Dec 2023

09cf solved 12 Days of Christmas in C

09cf solved 12 Days of Christmas in C++

09cf earned 🎅 Twelvetide

Mon 25 Dec 2023

09cf solved Foo Fizz Buzz Bar in C++

09cf solved Foo Fizz Buzz Bar in C

Mon 18 Dec 2023

09cf solved Abundant Numbers in C++

Sun 17 Dec 2023

09cf solved Diamonds in C++

Sun 3 Dec 2023

09cf solved Niven Numbers in C++

09cf solved Niven Numbers in C

Wed 29 Nov 2023

09cf solved Fizz Buzz in C

Wed 22 Nov 2023

09cf solved Abundant Numbers (Long) in C++

09cf solved Prime Numbers in C++

09cf solved Prime Numbers (Long) in C++

09cf solved Divisors in C

Sun 19 Nov 2023

Herbert00709 followed 09cf

Fri 10 Nov 2023

09cf solved Diamonds in C

Wed 8 Nov 2023

09cf solved Christmas Trees in C++

09cf solved Christmas Trees in C

Wed 25 Oct 2023

09cf solved Abundant Numbers in C

Tue 24 Oct 2023

09cf solved Abundant Numbers (Long) in C

Fri 20 Oct 2023

09cf solved Prime Numbers (Long) in C

Wed 18 Oct 2023

09cf solved Inventory Sequence in C++

09cf solved Inventory Sequence in C

Tue 17 Oct 2023

09cf solved Recamán in C++

09cf solved Recamán in C

09cf solved Evil Numbers in C++

09cf solved Evil Numbers in C

Fri 13 Oct 2023

09cf solved Prime Numbers in C

Wed 11 Oct 2023

09cf solved Odious Numbers in C++

09cf solved Odious Numbers in C

09cf solved Odious Numbers (Long) in C++

09cf solved Evil Numbers (Long) in C++

09cf solved Odious Numbers (Long) in C

09cf solved Evil Numbers (Long) in C

09cf earned 🐋 Twenty Kiloleagues

Sun 8 Oct 2023

09cf solved Van Eck Sequence in C

09cf solved Fibonacci in C

09cf solved Collatz in C

09cf solved Arithmetic Numbers in C

09cf solved Arithmetic Numbers in C++

Wed 4 Oct 2023

09cf solved 12 Days of Christmas in Rust

09cf solved Collatz in C++

Mon 2 Oct 2023

09cf earned 🎂 Happy Birthday, Code Golf

Tue 26 Sep 2023

09cf earned 🗳️ Like, Comment, Subscribe

09cf solved Inventory Sequence in Rust

Mon 25 Sep 2023

09cf solved Fibonacci in Rust

Sun 24 Sep 2023

09cf solved Kolakoski Sequence in C++

09cf solved Kolakoski Sequence in C

Thu 21 Sep 2023

09cf solved Lucky Numbers in C

Thu 14 Sep 2023

09cf solved Look and Say in C

09cf earned 🌈 Different Strokes

Wed 13 Sep 2023

09cf solved Look and Say in C++

Sat 9 Sep 2023

09cf solved Gijswijt’s Sequence in C++

09cf solved Van Eck Sequence in C++

Thu 7 Sep 2023

09cf solved Niven Numbers in ><>

Tue 5 Sep 2023

09cf solved Fibonacci in ><>

09cf solved Prime Numbers in ><>

09cf solved Inventory Sequence in ><>

Fri 1 Sep 2023

09cf earned 🃏 Blackjack

Wed 30 Aug 2023

09cf solved 99 Bottles of Beer in C

Tue 29 Aug 2023

09cf earned 🍺 The Watering Hole

Sun 6 Aug 2023

09cf solved Gijswijt’s Sequence in C

Sat 24 Jun 2023

09cf solved Emirp Numbers (Long) in C

09cf earned 🍞 Baker’s Dozen

Mon 17 Apr 2023

09cf earned 🏌️ Fore!

Sun 15 Jan 2023

09cf earned 🍷 Aged like Fine Wine

Sat 3 Dec 2022

09cf earned 👁️ Big Brother

Sun 18 Sep 2022

09cf earned 🐉 It’s Over 9000!

Fri 4 Mar 2022

09cf earned 🎸 Up to Eleven

Fri 6 Aug 2021

09cf solved Divisors in ><>

Sat 24 Jul 2021

09cf solved Fizz Buzz in ><>

Sat 26 Jun 2021

09cf solved Emirp Numbers in C

Mon 14 Jun 2021

09cf earned ⭐ My God, It’s Full of Stars

Sun 30 May 2021

09cf earned 🦥 Slowcoach

Sat 29 May 2021

09cf earned 3 achievements: 👋 💼 📕

09cf earned 👋 Hello, World!

09cf earned 💼 Interview Ready

09cf earned 📕 RTFM