The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 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 320th GolfingSuccess 🇬🇷 0 87 18ms 8 May 2025 320th Shanethegamer 🇺🇸 0 87 20ms 8 May 2025 320th albanian-laundromat 0 87 1,424ms 3 days ago 320th Yax42 🇫🇷 0 87 2,430ms 25 hours ago 325th GolfingSuccess 🇬🇷 0 88 5ms 12 Nov 2025 325th kg583 🇺🇸 0 88 23ms 12 Feb 2026 325th fuzzylojik-golf 🇺🇸 0 88 152ms 40 hours ago 328th Shanethegamer 🇺🇸 0 89 341ms 6 May 2025 328th Shanethegamer 🇺🇸 0 89 511ms 24 Sep 2025 328th DialFrost 🇸🇬 0 89 367ms 21 Nov 2025 328th CaedenHarper 🇨🇦 0 89 103ms 2 days ago 332nd Yax42 🇫🇷 0 90 13ms 25 hours ago 333rd GolfingSuccess 🇬🇷 0 91 14ms 13 Dec 2025 334th namelessiw 0 92 504ms 10 Oct 2025 334th fuzzylojik-golf 🇺🇸 0 92 383ms 41 hours ago 334th madex 🇩🇪 0 92 12ms 20 hours ago 337th CaedenHarper 🇨🇦 0 93 13ms 4 days ago 338th DialFrost 🇸🇬 0 94 13ms 10 May 2025 338th edsrzf 🇳🇿 0 94 187ms 17 May 2025 338th edsrzf 🇳🇿 0 94 21ms 2 mins ago 341st Yax42 🇫🇷 0 95 389ms 25 hours ago 342nd GolfingSuccess 🇬🇷 0 96 182ms 7 May 2025 342nd HumanoidCPU 0 96 160ms 19 hours ago 344th Shanethegamer 🇺🇸 0 98 7ms 6 May 2025 345th snydej 0 99 43ms 22 Nov 2024 345th albanian-laundromat 0 99 343ms 3 days ago 345th dokutan 0 99 409ms 7 hours ago 348th dokutan 0 100 19ms 7 hours ago 349th sean-niemann 🇺🇸 0 102 286ms 8 May 2025 349th Shanethegamer 🇺🇸 0 102 307ms 8 May 2025 349th edsrzf 🇳🇿 0 102 295ms 9 May 2025 349th GolfingSuccess 🇬🇷 0 102 306ms 9 May 2025 349th ovs-code 🇩🇪 0 102 311ms 13 Dec 2025 349th CaedenHarper 🇨🇦 0 102 301ms 3 days ago 349th fuzzylojik-golf 🇺🇸 0 102 292ms 42 hours ago 349th emgordon154 0 102 274ms 13 hours ago 357th lukechampine 0 103 301ms 7 Jun 2025 357th chris124567 0 103 294ms 8 Jun 2025 357th albanian-laundromat 0 103 270ms 16 Dec 2025 357th GolfingSuccess 🇬🇷 0 103 336ms 14 Jan 2026 361st UnderKoen 🇳🇱 0 107 2,121ms 6 hours ago 362nd kg583 🇺🇸 0 110 14ms 12 Jan 2026 362nd HumanoidCPU 0 110 363ms 7 hours ago 364th retrohun 0 112 16ms 29 hours ago 365th edsrzf 🇳🇿 0 114 30ms 18 mins ago 366th prestosilver 🇺🇸 0 115 418ms 28 hours ago 367th GolfingSuccess 🇬🇷 0 117 34ms 25 Dec 2025 368th GolfingSuccess 🇬🇷 0 118 94ms 13 hours ago 369th emgordon154 0 119 56ms 14 hours ago 369th not-a-pokemon 0 119 15ms 3 hours ago 371st edsrzf 🇳🇿 0 127 58ms 9 hours ago 372nd saito-ta 🇯🇵 0 128 1,990ms 8 May 2025 373rd CaedenHarper 🇨🇦 0 129 446ms 4 days ago 374th Natanaelel 🇸🇪 0 130 360ms 2 May 2025 375th Shanethegamer 🇺🇸 0 136 315ms 26 Nov 2024 376th albanian-laundromat 0 137 27ms 3 days ago 377th GolfingSuccess 🇬🇷 0 138 336ms 8 May 2025 378th canissimia 🇦🇶 0 143 15ms 13 hours ago 379th emgordon154 0 150 15ms 9 May 2025 379th albanian-laundromat 0 150 28ms 3 days ago 381st GolfingSuccess 🇬🇷 0 152 84ms 4 days ago 382nd kasarino 0 157 12ms 113 mins ago 383rd JOrE20 0 159 69ms 14 Feb 2026 384th RYSF13 🇨🇳 0 168 13ms 25 Jun 2025 385th Shanethegamer 🇺🇸 0 197 1,442ms 1 Feb 2025 386th voytxt 🇨🇿 0 200 1,425ms 6 Feb 2026 386th GolfingSuccess 🇬🇷 0 200 1,407ms 16 hours ago 386th emgordon154 0 200 1,683ms 5 hours ago 389th albanian-laundromat 0 243 15ms 3 days ago 390th albanian-laundromat 0 256 115ms 2 days ago 391st JOrE20 0 381 2,653ms 29 Dec 2025 392nd CaedenHarper 🇨🇦 0 853 550ms 2 days ago First Prev 321–392 of 392
