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?
Gray Code Encoder 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 400th fuzzylojik-golf 🇺🇸 0 88 154ms 5 days ago 400th ovs-code 🇩🇪 0 88 167ms 6 hours ago 400th DialFrost 🇸🇬 0 88 101ms 20 mins ago 404th Shanethegamer 🇺🇸 0 89 341ms 6 May 2025 404th Shanethegamer 🇺🇸 0 89 511ms 24 Sep 2025 404th DialFrost 🇸🇬 0 89 367ms 21 Nov 2025 404th CaedenHarper 🇨🇦 0 89 103ms 6 days ago 404th madex 🇩🇪 0 89 174ms 2 days ago 404th edsrzf 🇳🇿 0 89 334ms 2 days ago 404th Yax42 🇫🇷 0 89 13ms 2 days ago 404th dokutan 0 89 476ms 2 days ago 404th DialFrost 🇸🇬 0 89 13ms 14 mins ago 413th solisolu 0 90 4ms 16 hours ago 413th h3ra993huskp 🇯🇵 0 90 434ms 11 hours ago 415th namelessiw 0 92 504ms 10 Oct 2025 415th fuzzylojik-golf 🇺🇸 0 92 383ms 5 days ago 415th madex 🇩🇪 0 92 12ms 4 days ago 418th CaedenHarper 🇨🇦 0 93 13ms 7 days ago 419th edsrzf 🇳🇿 0 94 187ms 17 May 2025 419th edsrzf 🇳🇿 0 94 21ms 3 days ago 421st Yax42 🇫🇷 0 95 389ms 4 days ago 422nd GolfingSuccess 🇬🇷 0 96 182ms 7 May 2025 422nd HumanoidCPU 0 96 166ms 4 days ago 424th HumanoidCPU 0 97 7ms 2 days ago 425th Shanethegamer 🇺🇸 0 98 7ms 6 May 2025 426th snydej 0 99 43ms 22 Nov 2024 426th albanian-laundromat 0 99 343ms 7 days ago 426th dokutan 0 99 409ms 4 days ago 426th dokutan 0 99 12ms 2 days ago 430th dokutan 0 100 19ms 4 days ago 431st HumanoidCPU 0 101 361ms 3 days ago 431st HumanoidCPU 0 101 382ms 3 days ago 433rd sean-niemann 🇺🇸 0 102 286ms 8 May 2025 433rd Shanethegamer 🇺🇸 0 102 307ms 8 May 2025 433rd edsrzf 🇳🇿 0 102 295ms 9 May 2025 433rd GolfingSuccess 🇬🇷 0 102 306ms 9 May 2025 433rd ovs-code 🇩🇪 0 102 311ms 13 Dec 2025 433rd CaedenHarper 🇨🇦 0 102 301ms 7 days ago 433rd fuzzylojik-golf 🇺🇸 0 102 292ms 5 days ago 433rd emgordon154 0 102 274ms 4 days ago 433rd edsrzf 🇳🇿 0 102 341ms 3 days ago 433rd Steffan153 🇫🇮 0 102 338ms 2 days ago 433rd Steffan153 🇫🇮 0 102 284ms 2 days ago 433rd MeWhenI 🇻🇦 0 102 287ms 2 days ago 445th lukechampine 0 103 301ms 7 Jun 2025 445th chris124567 0 103 294ms 8 Jun 2025 445th albanian-laundromat 0 103 270ms 16 Dec 2025 445th GolfingSuccess 🇬🇷 0 103 336ms 14 Jan 2026 445th HumanoidCPU 0 103 329ms 3 days ago 445th Jacob385 0 103 411ms 21 hours ago 451st madex 🇩🇪 0 104 226ms 2 days ago 452nd madex 🇩🇪 0 106 334ms 20 hours ago 453rd UnderKoen 🇳🇱 0 107 2,121ms 4 days ago 454th HumanoidCPU 0 108 13ms 2 days ago 455th edsrzf 🇳🇿 0 109 21ms 3 days ago 455th emgordon154 0 109 84ms 2 days ago 457th kg583 🇺🇸 0 110 14ms 12 Jan 2026 457th Steffan153 🇫🇮 0 110 28ms 2 days ago 457th edsrzf 🇳🇿 0 110 31ms 2 days ago 460th GolfingSuccess 🇬🇷 0 111 107ms 3 days ago 461st retrohun 0 112 16ms 5 days ago 461st edsrzf 🇳🇿 0 112 27ms 3 days ago 461st madex 🇩🇪 0 112 1,387ms 20 hours ago 464th prestosilver 🇺🇸 0 115 418ms 4 days ago 464th HumanoidCPU 0 115 260ms 3 days ago 466th GolfingSuccess 🇬🇷 0 117 34ms 25 Dec 2025 467th madex 🇩🇪 0 118 17ms 20 hours ago 468th not-a-pokemon 0 119 15ms 3 days ago 469th madex 🇩🇪 0 121 366ms 20 hours ago 470th edsrzf 🇳🇿 0 127 58ms 4 days ago 470th Steffan153 🇫🇮 0 127 57ms 2 days ago 472nd saito-ta 🇯🇵 0 128 1,990ms 8 May 2025 473rd CaedenHarper 🇨🇦 0 129 446ms 7 days ago 474th Natanaelel 🇸🇪 0 130 360ms 2 May 2025 474th madex 🇩🇪 0 130 412ms 2 days ago 474th madex 🇩🇪 0 130 269ms 21 hours ago 477th edsrzf 🇳🇿 0 134 22ms 3 days ago 478th GolfingSuccess 🇬🇷 0 135 80ms 2 days ago 479th Shanethegamer 🇺🇸 0 136 315ms 26 Nov 2024 480th albanian-laundromat 0 137 27ms 7 days ago First Prev 401–480 of 502 Next Last