Fibonacci in all languages 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 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 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 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 Tower of Hanoi 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 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 Erlang 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 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 Erlang 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 217th kritixilithos 981 33 12ms 23 Dec 2018 217th goldenice 981 33 11ms 27 Mar 2019 217th serenac26 981 33 8ms 2 May 2019 217th WilliamChiu 981 33 9ms 2 May 2019 217th user189032 981 33 9ms 29 May 2019 217th Argeento 🇵🇱 981 33 16ms 8 Jun 2019 217th joseprio 981 33 9ms 13 Aug 2019 217th dbdr 981 33 9ms 5 Jan 2020 217th ondras 981 33 9ms 28 Apr 2020 217th artembykov 981 33 10ms 2 May 2020 217th shuding 981 33 12ms 4 May 2020 217th Attero 🇸🇪 981 33 9ms 22 May 2020 217th prplz 🇦🇺 981 33 9ms 7 Jul 2020 217th Irratix 🇳🇱 981 33 8ms 27 Jul 2020 217th raphaelimahorn 981 33 9ms 29 Aug 2020 217th rucin93 🇵🇱 981 33 9ms 12 Sep 2020 217th JayXon 🇺🇸 981 33 8ms 20 Sep 2020 217th NewDefectus 🇮🇱 981 33 9ms 30 Sep 2020 217th tomtheisen 🇺🇸 981 33 9ms 1 Oct 2020 217th BBoehm 🇩🇪 981 33 10ms 27 Oct 2020 217th nwellnhof 🇩🇪 981 33 10ms 5 Nov 2020 217th KatieLG 🇬🇧 981 33 9ms 29 Nov 2020 217th sisyphus-ppcg 🇦🇺 981 33 9ms 2 Dec 2020 217th janbehrens 🇩🇪 981 33 8ms 2 Jan 2021 217th Lydxn 🇨🇦 981 33 10ms 6 Jan 2021 217th GrayJoKing 🇦🇺 981 33 9ms 9 Jan 2021 217th d-s-x 981 33 9ms 18 Jan 2021 217th emplv 🇱🇻 981 33 9ms 19 Jan 2021 217th o0lit3 🇺🇸 981 33 9ms 8 Feb 2021 217th MeWhenI 🇻🇦 981 33 9ms 3 May 2021 217th MatheusAvellar 🇧🇷 981 33 10ms 5 May 2021 217th neihousaigaai 981 33 8ms 8 May 2021 217th inventshah 981 33 9ms 8 May 2021 217th RDShah 981 33 9ms 8 May 2021 217th jared-hughes 981 33 8ms 15 Aug 2021 217th Colwieb 981 33 9ms 27 Aug 2021 217th 23rdIdiot 981 33 9ms 28 Aug 2021 217th mrondon8 981 33 8ms 5 Sep 2021 217th jakzo 981 33 8ms 10 Sep 2021 217th lynn 981 33 9ms 10 Sep 2021 217th btnlq 981 33 10ms 27 Sep 2021 217th KingSkyrock 🇺🇸 981 33 9ms 6 Oct 2021 217th Hecate2 981 33 9ms 26 Oct 2021 217th yzkonchain 981 33 9ms 26 Oct 2021 217th vang1ong7ang 981 33 10ms 26 Oct 2021 217th AlephSquirrel 981 33 9ms 10 Nov 2021 217th akshatj27 🇦🇶 981 33 9ms 12 Nov 2021 217th shellbertt 🇨🇦 981 33 8ms 17 Nov 2021 217th emgordon154 981 33 10ms 23 Dec 2021 217th igmcdowell 981 33 8ms 6 Jan 2022 217th m-tkach 🇺🇦 981 33 8ms 6 Jan 2022 217th rak1507 🇬🇧 981 33 10ms 23 Feb 2022 217th rbuetzer 981 33 9ms 28 Feb 2022 217th sean-niemann 🇺🇸 981 33 11ms 11 Mar 2022 217th radarek 🇵🇱 981 33 9ms 9 Apr 2022 217th jansekulowicz 981 33 9ms 9 Apr 2022 217th Saeed-Paris 981 33 9ms 5 May 2022 217th ovs-code 🇩🇪 981 33 11ms 6 May 2022 217th kskjer 981 33 9ms 12 Jun 2022 217th dmrichwa 🇺🇸 981 33 9ms 14 Jun 2022 217th 5quiwyrm 981 33 8ms 31 Aug 2022 217th iliazeus 981 33 9ms 3 Sep 2022 217th Steffan153 🇫🇮 981 33 9ms 1 Oct 2022 217th stefangimmillaro 981 33 9ms 17 Oct 2022 217th trist224 🇫🇷 981 33 11ms 16 Nov 2022 217th oceko 981 33 12ms 26 Nov 2022 217th DialFrost 🇸🇬 981 33 9ms 6 Dec 2022 217th Alex-x90 🇺🇸 981 33 9ms 2 Jan 2023 217th Betuaredead 981 33 10ms 4 Jan 2023 217th Yewzir 🇧🇪 981 33 9ms 5 Feb 2023 217th CatsAreFluffy 981 33 11ms 18 Feb 2023 217th kcinnu 🇱🇹 981 33 9ms 28 Apr 2023 217th KilledByAPixel 981 33 10ms 10 Jun 2023 217th TrueBoxGuy 981 33 10ms 15 Aug 2023 217th snoozingnewt 🇺🇸 981 33 10ms 23 Sep 2023 First Prev 226–300 of 9,230 Next Last