The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 hours. 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 228th DialFrost 🇸🇬 0 62 15ms 17 Feb 2025 228th pardouin 🇫🇷 0 62 14ms 24 Feb 2025 228th error256 0 62 16ms 12 Apr 2025 228th MeWhenI 🇻🇦 0 62 14ms 8 May 2025 228th Shanethegamer 🇺🇸 0 62 2,495ms 8 May 2025 228th sean-niemann 🇺🇸 0 62 16ms 8 May 2025 228th 4atj 0 62 16ms 9 May 2025 228th emgordon154 0 62 16ms 9 May 2025 228th Natanaelel 🇸🇪 0 62 16ms 11 May 2025 228th dokutan 0 62 14ms 15 Aug 2025 228th hiichbindermax 0 62 16ms 17 Aug 2025 228th 5cw 🇺🇸 0 62 15ms 22 Aug 2025 228th commandz0 🇺🇸 0 62 15ms 27 Aug 2025 228th SirBogman 🇺🇸 0 62 15ms 12 Oct 2025 228th KasperKivimaeki 🇫🇮 0 62 15ms 20 Oct 2025 228th albanian-laundromat 0 62 16ms 2 Dec 2025 228th Matter1024 🇮🇳 0 62 15ms 12 Feb 2026 228th Steffan153 🇫🇮 0 62 16ms 19 Feb 2026 228th lukegustafson 🇺🇸 0 62 36ms 22 days ago 228th aksyristos 0 62 14ms 19 days ago 228th madex 🇩🇪 0 62 15ms 12 days ago 228th CaedenHarper 🇨🇦 0 62 16ms 10 days ago 228th KatieLG 🇬🇧 0 62 16ms 7 days ago 228th KatieLG 🇬🇧 0 62 416ms 7 days ago 228th scpchicken 🇵🇼 0 62 15ms 7 days ago 228th fuzzylojik-golf 🇺🇸 0 62 15ms 7 days ago 228th StefanHabel 🇨🇦 0 62 15ms 7 days ago 228th Seek64 🇩🇪 0 62 15ms 7 days ago 228th blaztoma 🇱🇹 0 62 15ms 7 days ago 228th BREMAUCY 🇫🇷 0 62 16ms 7 days ago 228th Emutis 🇱🇹 0 62 16ms 7 days ago 228th Andrey2001 0 62 16ms 7 days ago 228th anter69 🇭🇺 0 62 15ms 7 days ago 228th HumanoidCPU 0 62 16ms 6 days ago 228th qpwoeirut 0 62 16ms 6 days ago 228th stefangimmillaro 0 62 16ms 6 days ago 228th btjones0 0 62 15ms 6 days ago 228th bzijlema 🇳🇱 0 62 16ms 6 days ago 228th ahmetdemirag 🇨🇾 0 62 15ms 6 days ago 228th plcc0 0 62 15ms 6 days ago 228th Pyroan 0 62 17ms 6 days ago 228th edsrzf 🇳🇿 0 62 15ms 5 days ago 228th zacjl 0 62 15ms 5 days ago 228th MeWhenI 🇻🇦 0 62 86ms 5 days ago 228th ComradeSquirrel 0 62 14ms 5 days ago 228th duckyluuk 🇳🇱 0 62 15ms 5 days ago 228th Aquateraneal 🇺🇸 0 62 15ms 4 days ago 228th madex 🇩🇪 0 62 439ms 4 days ago 228th madex 🇩🇪 0 62 1,125ms 4 days ago 228th luuumine 🇫🇷 0 62 15ms 4 days ago 228th solisolu 0 62 36ms 3 days ago 228th LostSyntax21 🇬🇧 0 62 16ms 2 days ago 228th davecame 0 62 41ms 21 hours ago 294th sean-niemann 🇺🇸 0 63 43ms 8 May 2025 294th albanian-laundromat 0 63 44ms 14 Jan 2026 294th tomh1012 0 63 15ms 7 days ago 294th mishak-sys 0 63 15ms 5 days ago 298th jameswmccarty 0 64 15ms 29 Mar 2025 298th albanian-laundromat 0 64 188ms 9 days ago 298th zgialor-lab 0 64 16ms 6 days ago 301st JDiLenarda 🇫🇷 0 65 1,347ms 6 days ago 302nd Shanethegamer 🇺🇸 0 66 1,317ms 26 Nov 2024 302nd rucin93 🇵🇱 0 66 7ms 8 May 2025 302nd sean-niemann 🇺🇸 0 66 7ms 8 May 2025 302nd AdrienHache 🇫🇷 0 66 421ms 2 Nov 2025 302nd namelessiw 0 66 445ms 2 Nov 2025 302nd GolfingSuccess 🇬🇷 0 66 430ms 4 Feb 2026 302nd albanian-laundromat 0 66 1,345ms 9 days ago 302nd Yax42 🇫🇷 0 66 461ms 8 days ago 302nd fuzzylojik-golf 🇺🇸 0 66 456ms 7 days ago 302nd edsrzf 🇳🇿 0 66 6ms 6 days ago 302nd edsrzf 🇳🇿 0 66 1,374ms 5 days ago 302nd edsrzf 🇳🇿 0 66 451ms 5 days ago 302nd Steffan153 🇫🇮 0 66 480ms 5 days ago 302nd Steffan153 🇫🇮 0 66 7ms 5 days ago 302nd AstroOrbis 0 66 15ms 2 days ago 317th GolfingSuccess 🇬🇷 0 67 12ms 8 May 2025 317th tomh1012 0 67 429ms 7 days ago 317th msbranicky 0 67 16ms 4 days ago 320th Shanethegamer 🇺🇸 0 68 145ms 26 Nov 2024 First Prev 241–320 of 529 Next Last