Fibonacci in Ruby in chars. 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 Chars Time 145th lilyyy411 735 34 10 Sep 2021 145th bac0id 735 34 18 Oct 2021 145th AIn0n 735 34 1 Dec 2021 145th MichaelMBradley 🇨🇦 735 34 21 Mar 2022 145th oceko 735 34 26 Nov 2022 145th nstearns96 🇬🇧 735 34 15 Dec 2022 145th CheeseCake628 🇳🇴 735 34 15 Feb 2023 145th epic-programmer-guy 735 34 15 Dec 2023 145th stellartux 735 34 24 Dec 2023 145th hellopatrick 735 34 26 Dec 2023 145th Lv0Sys 🇵🇱 735 34 31 May 2025 145th blaztoma 🇱🇹 735 34 7 days ago 163rd JKHiggins 714 35 27 Jun 2019 163rd jetpks 714 35 27 Jun 2019 163rd idoschor 714 35 30 Nov 2020 163rd bbakersmith 714 35 30 Jul 2021 163rd FnControlOption 714 35 21 Aug 2022 163rd cefqrn 714 35 26 May 2024 163rd madeforlosers 714 35 22 Nov 2024 170th Mir0ff944 694 36 24 Oct 2019 171st iamsolarpowered 676 37 15 Dec 2017 171st Boostik 676 37 7 Jan 2018 171st robymus 676 37 17 Sep 2018 171st boxjelly 676 37 9 Feb 2021 171st 5quiwyrm 676 37 31 Aug 2022 171st truisseaux 676 37 4 Sep 2024 171st edsrzf 🇳🇿 676 37 13 Sep 2024 178th stevehodges 641 39 8 Nov 2017 178th JeremyC-za 641 39 9 Nov 2017 178th angetheo 641 39 19 Jan 2018 178th sacthedev 641 39 3 Apr 2018 178th okkun-oreo 641 39 2 Nov 2020 178th TheRealOhead 🇺🇸 641 39 24 Nov 2022 178th madex 🇩🇪 641 39 20 Jul 2024 185th yokasuretsu 625 40 16 Apr 2018 185th atsushiootani 625 40 7 Aug 2018 185th esmg1 625 40 22 Aug 2018 185th MichalMarsalek 🇨🇿 625 40 2 Sep 2022 185th Heathcorp 🇦🇺 625 40 26 Nov 2022 185th nortonbatista 625 40 31 Oct 2023 191st JRaspass 🇬🇧 610 41 23 Mar 2021 191st MCausc78 🇺🇦 610 41 29 Dec 2022 191st lgrandco 610 41 9 Oct 2024 194th tadd 595 42 16 Apr 2020 194th Ralac07 🇦🇺 595 42 17 Jun 2024 194th Just4FunCoder 595 42 26 Aug 2024 197th evanSpendlove 581 43 10 Dec 2020 198th biji1 568 44 26 Apr 2018 198th martica 568 44 20 May 2018 198th msbranicky 568 44 7 Sep 2023 198th Maximizer02 568 44 1 Oct 2023 202nd greghull 556 45 8 Nov 2017 202nd Noxilex 556 45 20 Mar 2019 202nd ashtraypettingzoo 🇺🇸 556 45 16 Feb 2023 202nd hacker112 🇸🇪 556 45 1 Jul 2024 206th adoxography 543 46 20 Sep 2018 206th CaAlden 543 46 10 May 2019 208th snltd 532 47 18 Aug 2019 208th michaelbaudino 532 47 18 Oct 2020 208th JesseNoEyes 🇺🇸 532 47 26 Sep 2024 208th Mikey-Beep 🇬🇧 532 47 4 days ago 212th timcustard 521 48 10 Nov 2017 212th sech1p 🇵🇱 521 48 30 Dec 2020 212th martinnorling 🇸🇪 521 48 6 Feb 2022 212th purp 521 48 13 Aug 2022 212th eiburns 521 48 7 Sep 2023 212th SwordF-Official 521 48 2 Jun 2025 218th illegalnumbers 510 49 27 Jun 2019 218th b-paul 510 49 25 Dec 2020 218th albanian-laundromat 510 49 10 Apr 2025 221st babcockd 500 50 19 Dec 2017 222nd lbrito1 490 51 8 Jan 2022 222nd AntoineBlondon 490 51 10 Jul 2024 224th zstearman3 481 52 11 Jul 2018 224th gpolumbo-broad 481 52 14 Mar 2019 Prev 151–225 of 262 Next