The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 5 days. Why not try and solve them ahead of time?
Fibonacci in all languages in bytes. 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 855th SirBogman 🇺🇸 953 79 292ms 23 Apr 2020 855th cduerm 953 79 331ms 12 May 2020 855th prplz 🇦🇺 953 79 294ms 5 Jul 2020 855th dpatterbee 953 79 271ms 20 Aug 2020 855th KatieLG 🇬🇧 953 79 304ms 28 Sep 2020 855th Irratix 🇳🇱 953 79 290ms 17 Oct 2020 855th nwellnhof 🇩🇪 953 79 297ms 17 Oct 2020 855th NewDefectus 🇮🇱 953 79 294ms 1 Nov 2020 855th emplv 🇱🇻 953 79 294ms 24 Nov 2020 855th JayXon 🇺🇸 953 79 291ms 27 Dec 2020 855th GrayJoKing 🇦🇺 953 79 291ms 9 Jan 2021 855th Lydxn 🇨🇦 953 79 283ms 10 Jan 2021 855th sisyphus-ppcg 🇦🇺 953 79 292ms 22 Jan 2021 855th MatheusAvellar 🇧🇷 953 79 270ms 6 May 2021 855th Natanaelel 🇸🇪 953 79 294ms 27 May 2021 855th cure-honey 🇯🇵 953 79 289ms 23 Jun 2021 855th vang1ong7ang 953 79 288ms 26 Oct 2021 855th yzkonchain 953 79 288ms 26 Oct 2021 855th Hecate2 953 79 300ms 26 Oct 2021 855th MeWhenI 🇻🇦 953 79 302ms 4 Nov 2021 855th stefangimmillaro 953 79 284ms 7 Jan 2022 855th btnlq 953 79 296ms 1 Feb 2022 855th JRaspass 🇬🇧 953 79 291ms 29 Mar 2022 855th martin-viggiano 953 79 291ms 22 Jun 2022 855th hajimehoshi 🇯🇵 953 79 271ms 24 Sep 2022 855th Steffan153 🇫🇮 953 79 283ms 1 Oct 2022 855th kimbo 🇺🇸 953 79 297ms 27 Dec 2022 855th m-tkach 🇺🇦 953 79 295ms 14 Jun 2023 855th sean-niemann 🇺🇸 953 79 275ms 27 Jun 2023 855th ovs-code 🇩🇪 953 79 287ms 16 Aug 2023 855th snoozingnewt 🇨🇦 953 79 278ms 23 Sep 2023 855th Yewzir 🇧🇪 953 79 288ms 21 Oct 2023 855th elgan65536 🇺🇸 953 79 282ms 23 Oct 2023 855th Betuaredead 953 79 294ms 12 Nov 2023 855th DialFrost 🇸🇬 953 79 294ms 16 Dec 2023 855th kkoenig 953 79 289ms 22 Dec 2023 855th harshit54 953 79 285ms 6 Jan 2024 855th bzijlema 🇳🇱 953 79 286ms 26 Jan 2024 855th bastatom 953 79 286ms 16 Feb 2024 855th neel11235813 953 79 307ms 26 Mar 2024 855th Grrisly 953 79 276ms 27 Mar 2024 855th jipsong 🇩🇪 953 79 308ms 13 Jun 2024 855th dbut2 🇦🇺 953 79 299ms 16 Jul 2024 855th edsrzf 🇳🇿 953 79 289ms 2 Sep 2024 855th pardouin 🇫🇷 953 79 292ms 4 Sep 2024 855th duckyluuk 🇳🇱 953 79 286ms 19 Sep 2024 855th b-illy 🇬🇧 953 79 291ms 29 Sep 2024 855th CaedenHarper 🇨🇦 953 79 301ms 22 Oct 2024 855th emgordon154 953 79 289ms 11 Nov 2024 855th error256 953 79 313ms 16 Dec 2024 855th martindotexe 🇳🇴 953 79 290ms 22 Apr 2025 855th fuzzylojik-golf 🇺🇸 953 79 286ms 29 May 2025 855th 0xjac 🇨🇭 953 79 286ms 7 Jun 2025 855th targrik 953 79 282ms 29 Jun 2025 855th FlorianCassayre 🇫🇷 953 79 277ms 16 Jul 2025 855th jessesomerville 953 79 287ms 20 Jul 2025 855th GolfingSuccess 🇬🇷 953 79 287ms 22 Aug 2025 855th KasperKivimaeki 🇫🇮 953 79 285ms 25 Sep 2025 855th albanian-laundromat 953 79 308ms 2 Oct 2025 855th cefqrn 953 79 308ms 9 Nov 2025 855th solisolu 953 79 298ms 19 Nov 2025 855th Andrey2001 953 79 302ms 25 Nov 2025 855th CornerMercury 🇬🇧 953 79 288ms 7 Dec 2025 855th CheeseCake628 🇳🇴 953 79 303ms 6 Jan 2026 855th D-MOVE 🇵🇭 953 79 301ms 4 Feb 2026 855th FranklinJiaChen 953 79 264ms 15 Feb 2026 947th rambox11 952 34 10ms 25 Mar 2018 947th frobinsonj 952 34 10ms 28 Jun 2018 947th squadb3 952 34 14ms 11 Oct 2019 947th andersk 🇺🇸 952 34 11ms 21 Mar 2020 947th jwalaszek 952 34 9ms 15 May 2020 947th cywong-amino 🇭🇰 952 34 13ms 3 Jul 2020 947th daisy-lau 952 34 11ms 6 Jul 2020 947th guliyevemil1 🇦🇿 952 34 10ms 3 Feb 2021 947th Darrennchan8 952 34 10ms 23 Aug 2021 947th didion0 🇺🇸 952 34 9ms 14 Feb 2022 947th eranws 952 34 9ms 28 Oct 2022 947th Nicronmil 952 34 9ms 22 Nov 2022 947th DayDun 🇸🇪 952 34 10ms 23 Jan 2023 947th scpchicken 🇵🇼 952 34 10ms 4 Feb 2023 First Prev 881–960 of 9,887 Next Last
