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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st namelessiw 0 5 160ms 13 Oct 2025 1st Shanethegamer 🇺🇸 0 5 442ms 20 Oct 2025 1st GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 4th GolfingSuccess 🇬🇷 0 6 255ms 14 May 2025 4th kg583 🇺🇸 0 6 259ms 14 May 2025 6th Natanaelel 🇸🇪 0 7 454ms 2 May 2025 6th 2bular 0 7 394ms 2 May 2025 6th Shanethegamer 🇺🇸 0 7 447ms 30 May 2025 9th ovs-code 🇩🇪 0 8 494ms 12 Oct 2025 10th GolfingSuccess 🇬🇷 0 13 158ms 8 May 2025 10th Shanethegamer 🇺🇸 0 13 148ms 30 May 2025 12th saito-ta 🇯🇵 0 17 93ms 9 May 2025 12th ovs-code 🇩🇪 0 17 3ms 12 Oct 2025 12th 2bular 0 17 4ms 12 Oct 2025 12th SirBogman 🇺🇸 0 17 4ms 12 Oct 2025 12th GolfingSuccess 🇬🇷 0 17 84ms 13 Dec 2025 17th GolfingSuccess 🇬🇷 0 18 6ms 13 Dec 2025 18th pardouin 🇫🇷 0 19 91ms 25 Feb 2025 18th MeWhenI 🇻🇦 0 19 91ms 8 May 2025 18th emgordon154 0 19 95ms 22 Nov 2025 21st Shanethegamer 🇺🇸 0 25 11ms 1 Jun 2025 22nd Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 22nd Natanaelel 🇸🇪 0 27 7ms 8 May 2025 22nd saito-ta 🇯🇵 0 27 4ms 8 May 2025 22nd Natanaelel 🇸🇪 0 27 4ms 11 May 2025 26th bitsandbeyond 🇳🇱 0 30 377ms 20 Oct 2025 26th 2bular 0 30 40ms 16 Nov 2025 26th ovs-code 🇩🇪 0 30 37ms 16 Nov 2025 26th IISResetMe 0 30 297ms 24 days ago 26th GolfingSuccess 🇬🇷 0 30 488ms 5 hours ago 31st Natanaelel 🇸🇪 0 31 185ms 8 May 2025 32nd Shanethegamer 🇺🇸 0 32 103ms 26 Nov 2024 32nd DialFrost 🇸🇬 0 32 178ms 24 Feb 2025 34th Shanethegamer 🇺🇸 0 33 40ms 9 Dec 2024 34th stefangimmillaro 0 33 40ms 24 Jan 2025 34th radarek 🇵🇱 0 33 36ms 17 Feb 2025 34th DialFrost 🇸🇬 0 33 40ms 24 Feb 2025 34th error256 0 33 37ms 12 Apr 2025 34th MeWhenI 🇻🇦 0 33 37ms 15 Apr 2025 34th Natanaelel 🇸🇪 0 33 37ms 2 May 2025 34th sean-niemann 🇺🇸 0 33 43ms 8 May 2025 34th GolfingSuccess 🇬🇷 0 33 48ms 8 May 2025 43rd SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 44th emgordon154 0 36 38ms 9 May 2025 45th JOrE20 0 37 267ms 9 Dec 2025 46th error256 0 40 1,440ms 12 Apr 2025 46th Shanethegamer 🇺🇸 0 40 1,476ms 30 Apr 2025 46th sean-niemann 🇺🇸 0 40 1,463ms 8 May 2025 46th GolfingSuccess 🇬🇷 0 40 1,433ms 8 May 2025 50th GolfingSuccess 🇬🇷 0 41 17ms 8 Aug 2025 51st ovs-code 🇩🇪 0 42 91ms 30 May 2025 52nd sean-niemann 🇺🇸 0 43 8ms 8 May 2025 52nd targrik 0 43 9ms 3 Sep 2025 54th Shanethegamer 🇺🇸 0 44 11ms 10 Dec 2024 54th DialFrost 🇸🇬 0 44 12ms 24 Feb 2025 54th rucin93 🇵🇱 0 44 11ms 24 Feb 2025 54th error256 0 44 12ms 12 Apr 2025 54th GolfingSuccess 🇬🇷 0 44 9ms 8 May 2025 54th GolfingSuccess 🇬🇷 0 44 11ms 8 May 2025 54th Natanaelel 🇸🇪 0 44 11ms 8 May 2025 54th sean-niemann 🇺🇸 0 44 12ms 8 May 2025 54th edsrzf 🇳🇿 0 44 8ms 10 May 2025 54th 4atj 0 44 11ms 8 Jun 2025 54th lukegustafson 🇺🇸 0 44 11ms 16 Jun 2025 54th JOrE20 0 44 11ms 6 Dec 2025 66th Andrey-Plotnikov 0 45 15ms 10 Jan 2025 66th saito-ta 🇯🇵 0 45 555ms 10 May 2025 66th GolfingSuccess 🇬🇷 0 45 80ms 14 May 2025 66th XenThe 🇬🇧 0 45 12ms 15 Jul 2025 66th smclaughlin-cf 0 45 11ms 14 Oct 2025 66th voytxt 🇨🇿 0 45 11ms 1 Jan 2026 72nd Shanethegamer 🇺🇸 0 46 292ms 26 Nov 2024 72nd kg583 🇺🇸 0 46 458ms 1 Dec 2024 72nd Shanethegamer 🇺🇸 0 46 527ms 10 Dec 2024 72nd GolfingSuccess 🇬🇷 0 46 458ms 30 Dec 2024 72nd pardouin 🇫🇷 0 46 416ms 24 Feb 2025 72nd Shanethegamer 🇺🇸 0 46 8ms 30 Apr 2025 72nd GolfingSuccess 🇬🇷 0 46 7ms 8 May 2025 72nd rucin93 🇵🇱 0 46 8ms 11 May 2025 80th lifthrasiir 🇰🇷 0 47 416ms 11 Dec 2024 1–80 of 231 Next Last