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 160th sean-niemann 🇺🇸 0 57 176ms 25 May 2025 160th edsrzf 🇳🇿 0 57 167ms 25 May 2025 160th GolfingSuccess 🇬🇷 0 57 171ms 13 Dec 2025 160th Matter1024 🇮🇳 0 57 68ms 13 Feb 2026 160th albanian-laundromat 0 57 296ms 2 days ago 166th GolfingSuccess 🇬🇷 0 58 4,218ms 8 May 2025 167th GolfingSuccess 🇬🇷 0 59 17ms 8 May 2025 167th IanUtley 0 59 18ms 8 May 2025 167th GolfingSuccess 🇬🇷 0 59 63ms 8 May 2025 170th pardouin 🇫🇷 0 60 2,725ms 15 Feb 2026 170th fuzzylojik-golf 🇺🇸 0 60 16ms 45 hours ago 170th emgordon154 0 60 3,008ms 20 hours ago 170th edsrzf 🇳🇿 0 60 2,595ms 18 hours ago 170th fuzzylojik-golf 🇺🇸 0 60 2,673ms 12 hours ago 175th GolfingSuccess 🇬🇷 0 61 2,438ms 8 May 2025 175th madex 🇩🇪 0 61 2,738ms 4 days ago 175th dokutan 0 61 189ms 10 hours ago 178th lifthrasiir 🇰🇷 0 62 37ms 22 Nov 2024 178th GolfingSuccess 🇬🇷 0 62 15ms 25 Nov 2024 178th AlephSquirrel 0 62 15ms 25 Nov 2024 178th hallvabo 🇳🇴 0 62 38ms 26 Nov 2024 178th kg583 🇺🇸 0 62 36ms 1 Dec 2024 178th CornerMercury 🇬🇧 0 62 15ms 3 Dec 2024 178th ndren 0 62 15ms 3 Dec 2024 178th btnlq 0 62 15ms 4 Dec 2024 178th Shanethegamer 🇺🇸 0 62 16ms 10 Dec 2024 178th Artemis21 🇬🇧 0 62 16ms 24 Dec 2024 178th ovs-code 🇩🇪 0 62 15ms 5 Jan 2025 178th khvdm 0 62 15ms 12 Jan 2025 178th bricknellj 0 62 16ms 30 Jan 2025 178th DialFrost 🇸🇬 0 62 15ms 17 Feb 2025 178th pardouin 🇫🇷 0 62 14ms 24 Feb 2025 178th error256 0 62 16ms 12 Apr 2025 178th MeWhenI 🇻🇦 0 62 14ms 8 May 2025 178th Shanethegamer 🇺🇸 0 62 2,495ms 8 May 2025 178th sean-niemann 🇺🇸 0 62 16ms 8 May 2025 178th 4atj 0 62 16ms 9 May 2025 178th emgordon154 0 62 16ms 9 May 2025 178th Natanaelel 🇸🇪 0 62 16ms 11 May 2025 178th dokutan 0 62 14ms 15 Aug 2025 178th hiichbindermax 0 62 18ms 17 Aug 2025 178th 5cw 🇺🇸 0 62 15ms 22 Aug 2025 178th commandz0 🇺🇸 0 62 15ms 27 Aug 2025 178th SirBogman 🇺🇸 0 62 15ms 12 Oct 2025 178th KasperKivimaeki 🇫🇮 0 62 15ms 20 Oct 2025 178th albanian-laundromat 0 62 16ms 2 Dec 2025 178th GolfingSuccess 🇬🇷 0 62 5ms 13 Dec 2025 178th Matter1024 🇮🇳 0 62 15ms 12 Feb 2026 178th Steffan153 🇫🇮 0 62 16ms 19 Feb 2026 178th lukegustafson 🇺🇸 0 62 36ms 16 days ago 178th aksyristos 0 62 14ms 13 days ago 178th madex 🇩🇪 0 62 15ms 6 days ago 178th CaedenHarper 🇨🇦 0 62 16ms 4 days ago 178th KatieLG 🇬🇧 0 62 17ms 47 hours ago 178th KatieLG 🇬🇧 0 62 416ms 47 hours ago 178th scpchicken 🇵🇼 0 62 15ms 47 hours ago 178th fuzzylojik-golf 🇺🇸 0 62 15ms 47 hours ago 178th StefanHabel 🇨🇦 0 62 15ms 41 hours ago 178th Seek64 🇩🇪 0 62 15ms 39 hours ago 178th blaztoma 🇱🇹 0 62 15ms 39 hours ago 178th BREMAUCY 🇫🇷 0 62 16ms 37 hours ago 178th Emutis 🇱🇹 0 62 16ms 37 hours ago 178th Andrey2001 0 62 16ms 31 hours ago 178th anter69 🇭🇺 0 62 15ms 27 hours ago 178th HumanoidCPU 0 62 16ms 24 hours ago 178th qpwoeirut 0 62 17ms 19 hours ago 178th stefangimmillaro 0 62 16ms 18 hours ago 178th btjones0 0 62 15ms 16 hours ago 178th bzijlema 🇳🇱 0 62 16ms 13 hours ago 178th ahmetdemirag 🇨🇾 0 62 15ms 10 hours ago 178th plcc0 0 62 15ms 10 hours ago 178th Pyroan 0 62 19ms 3 hours ago 178th edsrzf 🇳🇿 0 62 15ms 2 hours ago 234th sean-niemann 🇺🇸 0 63 43ms 8 May 2025 234th albanian-laundromat 0 63 44ms 14 Jan 2026 234th tomh1012 0 63 15ms 35 hours ago 234th MeWhenI 🇻🇦 0 63 204ms 3 hours ago 238th jameswmccarty 0 64 15ms 29 Mar 2025 238th albanian-laundromat 0 64 188ms 3 days ago 238th zgialor-lab 0 64 16ms 5 hours ago First Prev 161–240 of 400 Next Last
