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 Topological Sort 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 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 Knight 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 Knight 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 Topological Sort 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 144th bac0id 735 34 18 Oct 2021 144th AIn0n 735 34 1 Dec 2021 144th MichaelMBradley 🇨🇦 735 34 21 Mar 2022 144th oceko 735 34 26 Nov 2022 144th nstearns96 🇬🇧 735 34 15 Dec 2022 144th CheeseCake628 🇳🇴 735 34 15 Feb 2023 144th epic-programmer-guy 735 34 15 Dec 2023 144th stellartux 735 34 24 Dec 2023 144th hellopatrick 735 34 26 Dec 2023 144th Lv0Sys 🇵🇱 735 34 31 May 2025 144th blaztoma 735 34 11 hours ago 162nd JKHiggins 714 35 27 Jun 2019 162nd jetpks 714 35 27 Jun 2019 162nd idoschor 714 35 30 Nov 2020 162nd bbakersmith 714 35 30 Jul 2021 162nd FnControlOption 714 35 21 Aug 2022 162nd cefqrn 714 35 26 May 2024 162nd madeforlosers 714 35 22 Nov 2024 169th Mir0ff944 694 36 24 Oct 2019 170th iamsolarpowered 676 37 15 Dec 2017 170th Boostik 676 37 7 Jan 2018 170th robymus 676 37 17 Sep 2018 170th boxjelly 676 37 9 Feb 2021 170th 5quiwyrm 676 37 31 Aug 2022 170th truisseaux 676 37 4 Sep 2024 170th edsrzf 🇳🇿 676 37 13 Sep 2024 177th stevehodges 641 39 8 Nov 2017 177th JeremyC-za 641 39 9 Nov 2017 177th angetheo 641 39 19 Jan 2018 177th sacthedev 641 39 3 Apr 2018 177th okkun-oreo 641 39 2 Nov 2020 177th TheRealOhead 🇺🇸 641 39 24 Nov 2022 177th madex 🇩🇪 641 39 20 Jul 2024 184th yokasuretsu 625 40 16 Apr 2018 184th atsushiootani 625 40 7 Aug 2018 184th esmg1 625 40 22 Aug 2018 184th MichalMarsalek 🇨🇿 625 40 2 Sep 2022 184th Heathcorp 🇦🇺 625 40 26 Nov 2022 184th nortonbatista 625 40 31 Oct 2023 190th JRaspass 🇬🇧 610 41 23 Mar 2021 190th MCausc78 🇺🇦 610 41 29 Dec 2022 190th lgrandco 610 41 9 Oct 2024 193rd tadd 595 42 16 Apr 2020 193rd Ralac07 🇦🇺 595 42 17 Jun 2024 193rd Just4FunCoder 595 42 26 Aug 2024 196th evanSpendlove 581 43 10 Dec 2020 197th biji1 568 44 26 Apr 2018 197th martica 568 44 20 May 2018 197th msbranicky 568 44 7 Sep 2023 197th Maximizer02 568 44 1 Oct 2023 201st greghull 556 45 8 Nov 2017 201st Noxilex 556 45 20 Mar 2019 201st ashtraypettingzoo 🇺🇸 556 45 16 Feb 2023 201st hacker112 🇸🇪 556 45 1 Jul 2024 205th adoxography 543 46 20 Sep 2018 205th CaAlden 543 46 10 May 2019 207th snltd 532 47 18 Aug 2019 207th michaelbaudino 532 47 18 Oct 2020 207th JesseNoEyes 🇺🇸 532 47 26 Sep 2024 210th timcustard 521 48 10 Nov 2017 210th sech1p 🇵🇱 521 48 30 Dec 2020 210th martinnorling 🇸🇪 521 48 6 Feb 2022 210th purp 521 48 13 Aug 2022 210th eiburns 521 48 7 Sep 2023 210th SwordF-Official 521 48 2 Jun 2025 216th illegalnumbers 510 49 27 Jun 2019 216th b-paul 510 49 25 Dec 2020 216th albanian-laundromat 510 49 10 Apr 2025 219th babcockd 500 50 19 Dec 2017 220th lbrito1 490 51 8 Jan 2022 220th AntoineBlondon 490 51 10 Jul 2024 220th Mikey-Beep 🇬🇧 490 51 25 Dec 2024 223rd zstearman3 481 52 11 Jul 2018 223rd gpolumbo-broad 481 52 14 Mar 2019 223rd karinknutsson 481 52 19 Mar 2021 Prev 151–225 of 261 Next