The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 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 770th stefangimmillaro 953 47 2ms 17 Oct 2022 770th qwertyuiop3 🇷🇺 953 47 1ms 20 Oct 2022 770th madex 🇩🇪 953 47 2ms 10 Nov 2022 770th Seek64 🇩🇪 953 47 1ms 11 Nov 2022 770th mathb0y512 953 47 2ms 1 Jan 2023 770th Betuaredead 953 47 1ms 4 Jan 2023 770th Yewzir 🇧🇪 953 47 1ms 5 Feb 2023 770th User2654 953 47 1ms 10 Feb 2023 770th KenanHanke 953 47 1ms 20 Feb 2023 770th 386asm 🇺🇸 953 47 1ms 27 Apr 2023 770th klixel 🇨🇦 953 47 1ms 9 May 2023 770th Jonatan6 🇩🇰 953 47 1ms 28 May 2023 770th Bmrl7 953 47 1ms 4 Aug 2023 770th 09cf 953 47 1ms 20 Sep 2023 770th snoozingnewt 🇨🇦 953 47 1ms 23 Sep 2023 770th JohandeRuiter 🇳🇱 953 47 1ms 15 Oct 2023 770th fuzzylojik-golf 🇺🇸 953 47 1ms 21 Oct 2023 770th FlyingPenguin223 953 47 1ms 28 Oct 2023 770th GolfingSuccess 🇬🇷 953 47 1ms 3 Nov 2023 770th speles 🇺🇦 953 47 1ms 6 Nov 2023 770th namelessiw 953 47 1ms 7 Nov 2023 770th roupiq 🇵🇱 953 47 1ms 23 Nov 2023 770th emplv 🇱🇻 953 47 2ms 11 Dec 2023 770th drabart 🇵🇱 953 47 1ms 11 Dec 2023 770th giacomogallina 953 47 1ms 14 Dec 2023 770th kkoenig 953 47 1ms 22 Dec 2023 770th byronknoll 🇺🇸 953 47 1ms 6 Feb 2024 770th SadiinsoSnowfall 🇫🇷 953 47 2,426ms 13 Feb 2024 770th trist224 🇫🇷 953 47 2,219ms 14 Feb 2024 770th mathisfun271 953 47 1ms 14 Feb 2024 770th ehulinsky 🇺🇸 953 47 1ms 15 Feb 2024 770th Luca2812 953 47 1ms 1 Mar 2024 770th neel11235813 953 47 2ms 26 Mar 2024 770th Mandrzejy 🇵🇱 953 47 1ms 1 Apr 2024 770th Herbert00709 🇵🇱 953 47 2ms 1 Apr 2024 770th Flying-Toast 953 47 1ms 25 Apr 2024 770th jipsong 🇩🇪 953 47 2ms 1 Jul 2024 770th Kacarott 🇦🇺 953 47 1ms 29 Aug 2024 770th edsrzf 🇳🇿 953 47 1ms 12 Sep 2024 770th pardouin 🇫🇷 953 47 1ms 22 Sep 2024 770th SimBys 953 47 1ms 22 Oct 2024 770th AdrienHache 🇫🇷 953 47 1ms 16 Dec 2024 770th kaurakeksi 🇫🇮 953 47 2ms 29 Dec 2024 770th rucin93 🇵🇱 953 47 1ms 16 Jan 2025 770th Natanaelel 🇸🇪 953 47 1ms 24 Jan 2025 770th Iznoanygod 🇺🇸 953 47 2ms 16 Apr 2025 770th b-illy 🇬🇧 953 47 2ms 31 May 2025 770th emgordon154 953 47 2ms 1 Jun 2025 770th oscargeerts 953 47 2ms 23 Jun 2025 770th iczelia 🇩🇪 953 47 1ms 16 Oct 2025 770th luuumine 🇫🇷 953 47 2ms 23 Oct 2025 770th ansgustjd 953 47 2ms 5 Nov 2025 770th cefqrn 953 47 2ms 17 Nov 2025 770th solisolu 953 47 2ms 20 Nov 2025 770th bzd7 953 47 2ms 7 Dec 2025 770th Yax42 🇫🇷 953 47 2ms 8 Jan 2026 857th lukechampine 953 79 301ms 16 Apr 2020 857th bendiscz 953 79 291ms 16 Apr 2020 857th primo-ppcg 🇹🇭 953 79 293ms 16 Apr 2020 857th nwwdles 953 79 277ms 16 Apr 2020 857th cmethvin 953 79 281ms 16 Apr 2020 857th PFedak 953 79 288ms 16 Apr 2020 857th guliyevemil1 🇦🇿 953 79 293ms 16 Apr 2020 857th tflyons 953 79 286ms 17 Apr 2020 857th 1lann 953 79 269ms 17 Apr 2020 857th jerrandolph 953 79 279ms 17 Apr 2020 857th Shanethegamer 🇺🇸 953 79 279ms 17 Apr 2020 857th jamesallured 953 79 300ms 18 Apr 2020 857th stuartcarnie 953 79 296ms 18 Apr 2020 857th yzhs 🇩🇪 953 79 274ms 19 Apr 2020 857th MahlerFive 🇨🇦 953 79 286ms 20 Apr 2020 857th b97tsk 953 79 294ms 20 Apr 2020 857th jerome-laforge 953 79 289ms 20 Apr 2020 857th yzzyx 953 79 289ms 20 Apr 2020 857th aivarasbaranauskas 953 79 293ms 20 Apr 2020 857th j0ran 953 79 296ms 20 Apr 2020 857th joaxcar 953 79 311ms 20 Apr 2020 857th potatoattack 953 79 291ms 20 Apr 2020 857th titpetric 953 79 291ms 20 Apr 2020 857th agschwender 953 79 305ms 20 Apr 2020 First Prev 801–880 of 9,889 Next Last
