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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 210ms 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 54ms 2 May 2025 6th 2bular 0 7 54ms 2 May 2025 6th Shanethegamer 🇺🇸 0 7 55ms 30 May 2025 9th ovs-code 🇩🇪 0 8 57ms 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 78ms 25 Feb 2025 18th MeWhenI 🇻🇦 0 19 91ms 8 May 2025 18th emgordon154 0 19 91ms 22 Nov 2025 21st JOrE20 0 24 92ms 9 days ago 22nd Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 23rd Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 23rd Natanaelel 🇸🇪 0 27 6ms 8 May 2025 23rd saito-ta 🇯🇵 0 27 4ms 8 May 2025 23rd Natanaelel 🇸🇪 0 27 4ms 11 May 2025 27th bitsandbeyond 🇳🇱 0 30 377ms 20 Oct 2025 27th 2bular 0 30 40ms 16 Nov 2025 27th ovs-code 🇩🇪 0 30 37ms 16 Nov 2025 27th IISResetMe 0 30 297ms 10 Jan 2026 27th GolfingSuccess 🇬🇷 0 30 393ms 19 days ago 32nd Natanaelel 🇸🇪 0 31 185ms 8 May 2025 33rd Shanethegamer 🇺🇸 0 32 103ms 26 Nov 2024 33rd DialFrost 🇸🇬 0 32 178ms 24 Feb 2025 35th Shanethegamer 🇺🇸 0 33 38ms 9 Dec 2024 35th stefangimmillaro 0 33 40ms 24 Jan 2025 35th radarek 🇵🇱 0 33 36ms 17 Feb 2025 35th DialFrost 🇸🇬 0 33 38ms 24 Feb 2025 35th error256 0 33 37ms 12 Apr 2025 35th MeWhenI 🇻🇦 0 33 37ms 15 Apr 2025 35th Natanaelel 🇸🇪 0 33 37ms 2 May 2025 35th sean-niemann 🇺🇸 0 33 38ms 8 May 2025 35th GolfingSuccess 🇬🇷 0 33 39ms 8 May 2025 35th pardouin 🇫🇷 0 33 39ms 7 days ago 35th Steffan153 🇫🇮 0 33 38ms 3 days ago 46th SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 47th emgordon154 0 36 38ms 9 May 2025 48th JOrE20 0 37 264ms 9 Dec 2025 49th error256 0 40 1,440ms 12 Apr 2025 49th Shanethegamer 🇺🇸 0 40 1,476ms 30 Apr 2025 49th sean-niemann 🇺🇸 0 40 1,463ms 8 May 2025 49th GolfingSuccess 🇬🇷 0 40 1,433ms 8 May 2025 49th pardouin 🇫🇷 0 40 1,420ms 7 days ago 54th GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 55th ovs-code 🇩🇪 0 42 81ms 30 May 2025 56th sean-niemann 🇺🇸 0 43 9ms 8 May 2025 56th targrik 0 43 8ms 3 Sep 2025 58th Shanethegamer 🇺🇸 0 44 15ms 10 Dec 2024 58th DialFrost 🇸🇬 0 44 12ms 24 Feb 2025 58th rucin93 🇵🇱 0 44 13ms 24 Feb 2025 58th error256 0 44 12ms 12 Apr 2025 58th GolfingSuccess 🇬🇷 0 44 9ms 8 May 2025 58th GolfingSuccess 🇬🇷 0 44 14ms 8 May 2025 58th Natanaelel 🇸🇪 0 44 16ms 8 May 2025 58th sean-niemann 🇺🇸 0 44 16ms 8 May 2025 58th edsrzf 🇳🇿 0 44 9ms 10 May 2025 58th 4atj 0 44 13ms 8 Jun 2025 58th lukegustafson 🇺🇸 0 44 12ms 16 Jun 2025 58th JOrE20 0 44 15ms 6 Dec 2025 58th voytxt 🇨🇿 0 44 14ms 16 days ago 58th Steffan153 🇫🇮 0 44 15ms 3 days ago 72nd Andrey-Plotnikov 0 45 15ms 10 Jan 2025 72nd saito-ta 🇯🇵 0 45 555ms 10 May 2025 72nd GolfingSuccess 🇬🇷 0 45 79ms 14 May 2025 72nd XenThe 🇬🇧 0 45 12ms 15 Jul 2025 72nd smclaughlin-cf 0 45 13ms 14 Oct 2025 77th Shanethegamer 🇺🇸 0 46 292ms 26 Nov 2024 77th kg583 🇺🇸 0 46 458ms 1 Dec 2024 77th Shanethegamer 🇺🇸 0 46 527ms 10 Dec 2024 77th GolfingSuccess 🇬🇷 0 46 458ms 30 Dec 2024 1–80 of 245 Next Last