Fibonacci in Ruby in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 59th anter69 🇭🇺 893 28 9 Feb 2023 59th Andriamanitra 🇫🇮 893 28 17 Jul 2023 59th Yewzir 🇧🇪 893 28 7 Nov 2023 59th Betuaredead 893 28 13 Nov 2023 59th BREMAUCY 🇫🇷 893 28 17 Mar 2024 59th voytxt 🇨🇿 893 28 7 Apr 2024 59th jipsong 🇩🇪 893 28 13 Jun 2024 83rd graft 862 29 11 Mar 2018 83rd ryanmt 862 29 27 Jun 2019 83rd reireias 862 29 29 Jul 2019 83rd akira-aizawa 🇯🇵 862 29 3 Nov 2020 83rd liemvo 🇻🇳 862 29 11 May 2021 83rd DaCuteRaccoon 862 29 30 Nov 2022 83rd badboj40 862 29 13 Feb 2023 83rd TFeld00 🇩🇰 862 29 14 Feb 2023 83rd CornerMercury 🇬🇧 862 29 24 Sep 2023 83rd dokutan 862 29 5 Jul 2024 83rd HumanoidCPU 862 29 8 Aug 2024 83rd LostSyntax21 🇬🇧 862 29 3 Dec 2024 83rd csharpython 862 29 6 days ago 96th vonagam 833 30 8 Nov 2017 96th ConorOBrien-Foxx 833 30 10 Apr 2018 96th jaredcrystal 🇺🇸 833 30 22 Sep 2018 96th hugolgst 833 30 15 May 2019 96th sapphyrus 833 30 2 Aug 2019 96th sk- 833 30 12 Sep 2019 96th taw 833 30 22 Jun 2020 96th jngbsn 833 30 30 Jun 2020 96th marcin7Cd 833 30 8 Oct 2020 96th Marin-Kitagawa 833 30 18 Jul 2021 96th xiBread 🇺🇸 833 30 27 Aug 2021 96th CedricGebistorf 833 30 4 Mar 2022 96th nyoshe 833 30 10 Oct 2023 96th wowu 833 30 19 Sep 2024 110th VladYermakov 806 31 27 Oct 2017 110th j55d 806 31 5 Dec 2017 110th biinari 806 31 18 Mar 2018 110th philipper905 806 31 11 Apr 2018 110th segiddins 806 31 24 Aug 2018 110th mgergi 806 31 10 Oct 2018 110th acornellier 806 31 7 Dec 2018 110th fynnkroeger 806 31 10 Jan 2021 110th kirbyyourmom 🇬🇧 806 31 25 Feb 2021 110th souta-1326 806 31 20 Apr 2021 110th aaronze 🇦🇺 806 31 30 Apr 2021 110th matricronia 806 31 6 May 2021 110th XorZy 806 31 29 May 2021 110th kinoute 🇫🇷 806 31 10 Sep 2021 110th BrenSchaap 806 31 18 Nov 2021 110th shibacho 🇯🇵 806 31 18 Mar 2022 110th bryanmytko 806 31 2 Jul 2022 110th Alex-x90 🇺🇸 806 31 3 Feb 2023 110th Haksell 🇦🇶 806 31 22 Feb 2023 110th ejini6969 806 31 22 Mar 2023 110th mikiymk 806 31 21 Sep 2023 110th mathisfun271 806 31 21 Feb 2024 110th qytiz 806 31 15 Apr 2024 110th cdesodt 806 31 8 Oct 2024 110th kozydot 806 31 11 Mar 2025 135th kieraneglin 781 32 8 Nov 2017 135th handisb 781 32 14 Sep 2019 135th Anonymousellama21 781 32 18 Feb 2022 138th venus-as-a-boy 758 33 22 Oct 2018 138th KrausRaus 🇺🇸 758 33 23 Mar 2020 138th doberan 758 33 2 Nov 2020 138th Secozzi 758 33 3 Nov 2020 138th ls-samer-abuthaher 758 33 7 Oct 2022 138th desecaw13 758 33 25 Jan 2025 144th nlc 735 34 11 Apr 2018 144th caerbannogwhite 735 34 14 Apr 2018 144th ajc2 735 34 1 May 2018 144th anishghosh103 735 34 15 Mar 2020 144th theLobsterRevolution 735 34 30 Dec 2020 144th raphaelimahorn 735 34 2 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