The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 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 fuzzylojik-golf 🇺🇸 0 76 99ms 3 days ago 320th edsrzf 🇳🇿 0 76 131ms 3 days ago 320th emgordon154 0 76 115ms 2 days ago 324th rucin93 🇵🇱 0 77 130ms 8 May 2025 324th ovs-code 🇩🇪 0 77 81ms 30 May 2025 324th Shanethegamer 🇺🇸 0 77 146ms 12 Nov 2025 324th edsrzf 🇳🇿 0 77 7ms 43 hours ago 324th GolfingSuccess 🇬🇷 0 77 8ms 41 hours ago 324th Steffan153 🇫🇮 0 77 7ms 17 hours ago 330th saito-ta 🇯🇵 0 78 4ms 10 May 2025 330th rhdqor213 0 78 4ms 10 May 2025 330th albanian-laundromat 0 78 98ms 5 days ago 330th fuzzylojik-golf 🇺🇸 0 78 8ms 47 hours ago 330th edsrzf 🇳🇿 0 78 425ms 41 hours ago 335th GolfingSuccess 🇬🇷 0 79 79ms 14 May 2025 336th sean-niemann 🇺🇸 0 80 455ms 8 May 2025 337th kumavale 0 81 170ms 26 Nov 2025 337th Matter1024 🇮🇳 0 81 45ms 14 Feb 2026 337th albanian-laundromat 0 81 45ms 5 days ago 337th fuzzylojik-golf 🇺🇸 0 81 9ms 2 days ago 337th stefangimmillaro 0 81 44ms 35 hours ago 342nd GolfingSuccess 🇬🇷 0 82 502ms 8 May 2025 342nd emgordon154 0 82 170ms 14 Feb 2026 342nd emgordon154 0 82 454ms 2 days ago 342nd edsrzf 🇳🇿 0 82 167ms 37 hours ago 342nd GolfingSuccess 🇬🇷 0 82 17ms 10 hours ago 347th Shanethegamer 🇺🇸 0 83 484ms 26 Nov 2024 347th Shanethegamer 🇺🇸 0 83 403ms 9 Jul 2025 347th fantaize 0 83 163ms 16 days ago 347th GolfingSuccess 🇬🇷 0 83 33ms 2 days ago 347th MeWhenI 🇻🇦 0 83 229ms 2 days ago 352nd Shanethegamer 🇺🇸 0 84 416ms 26 Nov 2024 352nd ovs-code 🇩🇪 0 84 12ms 10 May 2025 352nd fuzzylojik-golf 🇺🇸 0 84 444ms 3 days ago 352nd KasperKivimaeki 🇫🇮 0 84 12ms 44 hours ago 352nd emgordon154 0 84 29ms 13 hours ago 352nd dokutan 0 84 417ms 4 hours ago 358th edsrzf 🇳🇿 0 85 42ms 8 May 2025 358th edsrzf 🇳🇿 0 85 18ms 9 May 2025 358th error256 0 85 18ms 10 May 2025 358th GolfingSuccess 🇬🇷 0 85 3ms 14 Jan 2026 358th HumanoidCPU 0 85 434ms 36 hours ago 358th HumanoidCPU 0 85 419ms 13 hours ago 364th Shanethegamer 🇺🇸 0 86 158ms 17 Dec 2024 364th kg583 🇺🇸 0 86 39ms 16 Feb 2025 364th GolfingSuccess 🇬🇷 0 86 44ms 7 May 2025 364th GolfingSuccess 🇬🇷 0 86 2,577ms 8 May 2025 364th sean-niemann 🇺🇸 0 86 496ms 25 Sep 2025 364th MeWhenI 🇻🇦 0 86 381ms 21 Nov 2025 364th GolfingSuccess 🇬🇷 0 86 399ms 12 Jan 2026 364th elgan65536 🇺🇸 0 86 184ms 26 days ago 364th CaedenHarper 🇨🇦 0 86 399ms 5 days ago 364th CaedenHarper 🇨🇦 0 86 154ms 4 days ago 364th edsrzf 🇳🇿 0 86 414ms 2 days ago 364th emgordon154 0 86 406ms 45 hours ago 364th GolfingSuccess 🇬🇷 0 86 19ms 38 hours ago 364th Steffan153 🇫🇮 0 86 390ms 23 hours ago 364th Steffan153 🇫🇮 0 86 19ms 21 hours ago 364th stefangimmillaro 0 86 154ms 7 hours ago 380th Shanethegamer 🇺🇸 0 87 42ms 15 Apr 2025 380th Shanethegamer 🇺🇸 0 87 20ms 8 May 2025 380th albanian-laundromat 0 87 1,424ms 5 days ago 380th Yax42 🇫🇷 0 87 2,340ms 2 days ago 380th Steffan153 🇫🇮 0 87 180ms 21 hours ago 380th Steffan153 🇫🇮 0 87 4ms 18 hours ago 380th roelderickx 0 87 1,609ms 3 hours ago 387th kg583 🇺🇸 0 88 23ms 12 Feb 2026 387th fuzzylojik-golf 🇺🇸 0 88 154ms 3 days ago 389th Shanethegamer 🇺🇸 0 89 341ms 6 May 2025 389th Shanethegamer 🇺🇸 0 89 511ms 24 Sep 2025 389th DialFrost 🇸🇬 0 89 367ms 21 Nov 2025 389th CaedenHarper 🇨🇦 0 89 103ms 4 days ago 389th madex 🇩🇪 0 89 174ms 15 hours ago 389th edsrzf 🇳🇿 0 89 334ms 6 hours ago 389th Yax42 🇫🇷 0 89 13ms 5 hours ago 389th dokutan 0 89 476ms 4 hours ago 389th KrausRaus 🇺🇸 0 89 13ms 28 mins ago 398th namelessiw 0 92 504ms 10 Oct 2025 398th fuzzylojik-golf 🇺🇸 0 92 383ms 3 days ago 398th madex 🇩🇪 0 92 12ms 2 days ago First Prev 321–400 of 479 Next Last