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 321st GolfingSuccess 🇬🇷 0 73 16ms 8 May 2025 321st GolfingSuccess 🇬🇷 0 73 8ms 3 days ago 323rd not-a-pokemon 0 74 15ms 3 days ago 324th Shanethegamer 🇺🇸 0 75 107ms 26 Nov 2024 324th sean-niemann 🇺🇸 0 75 106ms 8 May 2025 324th HumanoidCPU 0 75 110ms 3 days ago 324th MeWhenI 🇻🇦 0 75 102ms 39 hours ago 328th GolfingSuccess 🇬🇷 0 76 133ms 28 Nov 2025 328th fuzzylojik-golf 🇺🇸 0 76 99ms 5 days ago 328th edsrzf 🇳🇿 0 76 131ms 4 days ago 328th emgordon154 0 76 115ms 3 days ago 332nd rucin93 🇵🇱 0 77 130ms 8 May 2025 332nd ovs-code 🇩🇪 0 77 81ms 30 May 2025 332nd Shanethegamer 🇺🇸 0 77 146ms 12 Nov 2025 332nd edsrzf 🇳🇿 0 77 7ms 3 days ago 332nd GolfingSuccess 🇬🇷 0 77 8ms 3 days ago 332nd Steffan153 🇫🇮 0 77 7ms 2 days ago 338th saito-ta 🇯🇵 0 78 4ms 10 May 2025 338th rhdqor213 0 78 4ms 10 May 2025 338th albanian-laundromat 0 78 98ms 7 days ago 338th fuzzylojik-golf 🇺🇸 0 78 8ms 3 days ago 338th edsrzf 🇳🇿 0 78 425ms 3 days ago 343rd GolfingSuccess 🇬🇷 0 79 79ms 14 May 2025 343rd madex 🇩🇪 0 79 110ms 5 hours ago 345th sean-niemann 🇺🇸 0 80 455ms 8 May 2025 346th kumavale 0 81 170ms 26 Nov 2025 346th Matter1024 🇮🇳 0 81 45ms 14 Feb 2026 346th albanian-laundromat 0 81 45ms 7 days ago 346th fuzzylojik-golf 🇺🇸 0 81 9ms 3 days ago 346th stefangimmillaro 0 81 44ms 2 days ago 346th KasperKivimaeki 🇫🇮 0 81 5ms 27 hours ago 352nd GolfingSuccess 🇬🇷 0 82 502ms 8 May 2025 352nd emgordon154 0 82 170ms 14 Feb 2026 352nd emgordon154 0 82 454ms 3 days ago 352nd edsrzf 🇳🇿 0 82 167ms 2 days ago 352nd GolfingSuccess 🇬🇷 0 82 17ms 45 hours ago 357th Shanethegamer 🇺🇸 0 83 484ms 26 Nov 2024 357th Shanethegamer 🇺🇸 0 83 403ms 9 Jul 2025 357th fantaize 0 83 163ms 18 days ago 357th GolfingSuccess 🇬🇷 0 83 33ms 3 days ago 357th MeWhenI 🇻🇦 0 83 229ms 3 days ago 357th KrausRaus 🇺🇸 0 83 13ms 32 hours ago 357th madex 🇩🇪 0 83 111ms 5 hours ago 364th Shanethegamer 🇺🇸 0 84 416ms 26 Nov 2024 364th ovs-code 🇩🇪 0 84 12ms 10 May 2025 364th fuzzylojik-golf 🇺🇸 0 84 444ms 5 days ago 364th emgordon154 0 84 28ms 2 days ago 364th dokutan 0 84 417ms 38 hours ago 369th edsrzf 🇳🇿 0 85 42ms 8 May 2025 369th edsrzf 🇳🇿 0 85 17ms 9 May 2025 369th error256 0 85 18ms 10 May 2025 369th GolfingSuccess 🇬🇷 0 85 3ms 14 Jan 2026 369th HumanoidCPU 0 85 434ms 2 days ago 369th HumanoidCPU 0 85 419ms 47 hours ago 369th madex 🇩🇪 0 85 72ms 6 hours ago 376th Shanethegamer 🇺🇸 0 86 158ms 17 Dec 2024 376th kg583 🇺🇸 0 86 39ms 16 Feb 2025 376th GolfingSuccess 🇬🇷 0 86 44ms 7 May 2025 376th GolfingSuccess 🇬🇷 0 86 2,577ms 8 May 2025 376th sean-niemann 🇺🇸 0 86 496ms 25 Sep 2025 376th MeWhenI 🇻🇦 0 86 381ms 21 Nov 2025 376th GolfingSuccess 🇬🇷 0 86 399ms 12 Jan 2026 376th elgan65536 🇺🇸 0 86 184ms 27 days ago 376th CaedenHarper 🇨🇦 0 86 399ms 6 days ago 376th CaedenHarper 🇨🇦 0 86 154ms 6 days ago 376th edsrzf 🇳🇿 0 86 414ms 3 days ago 376th emgordon154 0 86 406ms 3 days ago 376th GolfingSuccess 🇬🇷 0 86 19ms 3 days ago 376th Steffan153 🇫🇮 0 86 390ms 2 days ago 376th Steffan153 🇫🇮 0 86 19ms 2 days ago 376th stefangimmillaro 0 86 154ms 42 hours ago 392nd Shanethegamer 🇺🇸 0 87 42ms 15 Apr 2025 392nd Shanethegamer 🇺🇸 0 87 20ms 8 May 2025 392nd albanian-laundromat 0 87 1,424ms 6 days ago 392nd Yax42 🇫🇷 0 87 2,340ms 4 days ago 392nd Steffan153 🇫🇮 0 87 180ms 2 days ago 392nd Steffan153 🇫🇮 0 87 4ms 2 days ago 392nd roelderickx 0 87 1,609ms 38 hours ago 399th kg583 🇺🇸 0 88 23ms 12 Feb 2026 399th fuzzylojik-golf 🇺🇸 0 88 154ms 4 days ago First Prev 321–400 of 499 Next Last