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 chars. 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 Chars Time Submitted 319th fuzzylojik-golf 🇺🇸 0 88 152ms 39 hours ago 322nd Shanethegamer 🇺🇸 0 89 341ms 6 May 2025 322nd Shanethegamer 🇺🇸 0 89 511ms 24 Sep 2025 322nd DialFrost 🇸🇬 0 89 367ms 21 Nov 2025 322nd CaedenHarper 🇨🇦 0 89 103ms 2 days ago 326th Yax42 🇫🇷 0 90 13ms 24 hours ago 327th GolfingSuccess 🇬🇷 0 91 14ms 13 Dec 2025 328th namelessiw 0 92 504ms 10 Oct 2025 328th fuzzylojik-golf 🇺🇸 0 92 390ms 40 hours ago 328th madex 🇩🇪 0 92 12ms 19 hours ago 331st edsrzf 🇳🇿 0 93 187ms 17 May 2025 331st CaedenHarper 🇨🇦 0 93 13ms 3 days ago 333rd DialFrost 🇸🇬 0 94 13ms 10 May 2025 334th Yax42 🇫🇷 0 95 389ms 23 hours ago 335th GolfingSuccess 🇬🇷 0 96 182ms 7 May 2025 335th HumanoidCPU 0 96 160ms 17 hours ago 337th Shanethegamer 🇺🇸 0 98 7ms 6 May 2025 338th snydej 0 99 43ms 22 Nov 2024 338th albanian-laundromat 0 99 343ms 3 days ago 338th dokutan 0 99 409ms 5 hours ago 341st dokutan 0 100 19ms 5 hours ago 342nd sean-niemann 🇺🇸 0 102 286ms 8 May 2025 342nd Shanethegamer 🇺🇸 0 102 307ms 8 May 2025 342nd edsrzf 🇳🇿 0 102 295ms 9 May 2025 342nd GolfingSuccess 🇬🇷 0 102 306ms 9 May 2025 342nd ovs-code 🇩🇪 0 102 311ms 13 Dec 2025 342nd kg583 🇺🇸 0 102 13ms 25 Jan 2026 342nd CaedenHarper 🇨🇦 0 102 301ms 3 days ago 342nd fuzzylojik-golf 🇺🇸 0 102 292ms 40 hours ago 342nd emgordon154 0 102 274ms 11 hours ago 351st lukechampine 0 103 301ms 7 Jun 2025 351st chris124567 0 103 294ms 8 Jun 2025 351st albanian-laundromat 0 103 270ms 16 Dec 2025 351st GolfingSuccess 🇬🇷 0 103 336ms 14 Jan 2026 355th edsrzf 🇳🇿 0 104 17ms 23 hours ago 356th UnderKoen 🇳🇱 0 107 2,121ms 4 hours ago 357th HumanoidCPU 0 110 363ms 5 hours ago 358th retrohun 0 112 16ms 28 hours ago 359th prestosilver 🇺🇸 0 115 418ms 26 hours ago 360th GolfingSuccess 🇬🇷 0 117 34ms 25 Dec 2025 361st GolfingSuccess 🇬🇷 0 118 94ms 11 hours ago 362nd emgordon154 0 119 56ms 13 hours ago 362nd not-a-pokemon 0 119 15ms 2 hours ago 364th edsrzf 🇳🇿 0 123 30ms 18 hours ago 365th edsrzf 🇳🇿 0 127 58ms 7 hours ago 366th saito-ta 🇯🇵 0 128 1,990ms 8 May 2025 367th CaedenHarper 🇨🇦 0 129 446ms 3 days ago 368th Natanaelel 🇸🇪 0 130 360ms 2 May 2025 369th Shanethegamer 🇺🇸 0 136 315ms 26 Nov 2024 370th albanian-laundromat 0 137 27ms 3 days ago 371st GolfingSuccess 🇬🇷 0 138 336ms 8 May 2025 372nd canissimia 🇦🇶 0 143 15ms 11 hours ago 373rd emgordon154 0 150 15ms 9 May 2025 373rd albanian-laundromat 0 150 28ms 3 days ago 375th GolfingSuccess 🇬🇷 0 152 84ms 4 days ago 376th kasarino 0 157 12ms 11 mins ago 377th JOrE20 0 159 69ms 14 Feb 2026 378th RYSF13 🇨🇳 0 168 13ms 25 Jun 2025 379th Shanethegamer 🇺🇸 0 197 1,442ms 1 Feb 2025 380th voytxt 🇨🇿 0 200 1,425ms 6 Feb 2026 380th GolfingSuccess 🇬🇷 0 200 1,407ms 14 hours ago 380th emgordon154 0 200 1,683ms 3 hours ago 383rd albanian-laundromat 0 243 15ms 3 days ago 384th albanian-laundromat 0 256 115ms 2 days ago 385th JOrE20 0 381 2,653ms 29 Dec 2025 386th CaedenHarper 🇨🇦 0 853 550ms 2 days ago First Prev 321–386 of 386
