Fibonacci in Ruby in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 63rd ytaki0801 🇯🇵 893 28 36ms 19 Jun 2021 63rd schachmattmatt 893 28 35ms 3 Oct 2021 63rd orthoplex 🇨🇽 893 28 35ms 29 Mar 2022 63rd scpchicken 🇵🇼 893 28 34ms 10 Jan 2023 63rd anter69 🇭🇺 893 28 39ms 9 Feb 2023 63rd Andriamanitra 🇫🇮 893 28 45ms 17 Jul 2023 63rd Yewzir 🇧🇪 893 28 37ms 7 Nov 2023 63rd Betuaredead 893 28 37ms 13 Nov 2023 63rd BREMAUCY 🇫🇷 893 28 38ms 17 Mar 2024 63rd voytxt 🇨🇿 893 28 35ms 7 Apr 2024 63rd jipsong 🇩🇪 893 28 38ms 13 Jun 2024 63rd CaedenHarper 🇨🇦 893 28 42ms 28 Aug 2025 63rd jacekwladzinski 893 28 36ms 9 Oct 2025 63rd blaztoma 🇱🇹 893 28 36ms 11 Oct 2025 63rd solisolu 893 28 34ms 16 days ago 91st graft 862 29 35ms 11 Mar 2018 91st ryanmt 862 29 36ms 27 Jun 2019 91st reireias 862 29 34ms 29 Jul 2019 91st akira-aizawa 🇯🇵 862 29 36ms 3 Nov 2020 91st liemvo 🇻🇳 862 29 38ms 11 May 2021 91st DaCuteRaccoon 862 29 33ms 30 Nov 2022 91st badboj40 862 29 35ms 13 Feb 2023 91st TFeld00 🇩🇰 862 29 37ms 14 Feb 2023 91st dokutan 862 29 32ms 5 Jul 2024 91st HumanoidCPU 862 29 39ms 8 Aug 2024 91st LostSyntax21 🇬🇧 862 29 35ms 3 Dec 2024 91st csharpython 862 29 35ms 22 Jul 2025 91st Babafaba 862 29 32ms 13 days ago 104th vonagam 833 30 35ms 8 Nov 2017 104th ConorOBrien-Foxx 833 30 35ms 10 Apr 2018 104th jaredcrystal 🇺🇸 833 30 38ms 22 Sep 2018 104th hugolgst 833 30 39ms 15 May 2019 104th sapphyrus 833 30 34ms 2 Aug 2019 104th sk- 833 30 36ms 12 Sep 2019 104th taw 833 30 45ms 22 Jun 2020 104th jngbsn 833 30 51ms 30 Jun 2020 104th marcin7Cd 833 30 35ms 8 Oct 2020 104th Marin-Kitagawa 833 30 35ms 18 Jul 2021 104th olivermrose 🇺🇸 833 30 34ms 27 Aug 2021 104th CedricGebistorf 833 30 34ms 4 Mar 2022 104th nyoshe 833 30 36ms 10 Oct 2023 104th wowu 833 30 35ms 19 Sep 2024 104th FortuiteMan 🇫🇷 833 30 32ms 6 days ago 119th VladYermakov 806 31 37ms 27 Oct 2017 119th j55d 806 31 39ms 5 Dec 2017 119th biinari 806 31 36ms 18 Mar 2018 119th philipper905 806 31 34ms 11 Apr 2018 119th segiddins 806 31 34ms 24 Aug 2018 119th mgergi 806 31 34ms 10 Oct 2018 119th acornellier 806 31 33ms 7 Dec 2018 119th fynnkroeger 806 31 36ms 10 Jan 2021 119th kirbyyourmom 🇬🇧 806 31 34ms 25 Feb 2021 119th souta-1326 806 31 35ms 20 Apr 2021 119th aaronze 🇦🇺 806 31 37ms 30 Apr 2021 119th matricronia 806 31 45ms 6 May 2021 119th XorZy 806 31 38ms 29 May 2021 119th kinoute 🇫🇷 806 31 37ms 10 Sep 2021 119th BrenSchaap 806 31 39ms 18 Nov 2021 119th shibacho 🇯🇵 806 31 35ms 18 Mar 2022 119th bryanmytko 806 31 35ms 2 Jul 2022 119th Alex-x90 🇺🇸 806 31 43ms 3 Feb 2023 119th Haksell 🇦🇶 806 31 34ms 22 Feb 2023 119th ejini6969 806 31 34ms 22 Mar 2023 119th mikiymk 806 31 31ms 21 Sep 2023 119th mathisfun271 806 31 36ms 21 Feb 2024 119th qytiz 806 31 35ms 15 Apr 2024 119th kaizer1308 806 31 44ms 11 Mar 2025 119th AetherQuantity 806 31 39ms 21 Oct 2025 119th Thinkr1 806 31 31ms 15 days ago 145th kieraneglin 781 32 34ms 8 Nov 2017 145th handisb 781 32 50ms 14 Sep 2019 145th Anonymousellama21 781 32 34ms 18 Feb 2022 148th venus-as-a-boy 758 33 43ms 22 Oct 2018 148th KrausRaus 🇺🇸 758 33 36ms 23 Mar 2020 148th doberan 758 33 34ms 2 Nov 2020 First Prev 76–150 of 271 Next Last
