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Gray Code Decoder 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 231st edsrzf 🇳🇿 0 75 17ms 5 days ago 231st zgialor-lab 0 75 25ms 5 days ago 231st madex 🇩🇪 0 75 439ms 3 days ago 231st DialFrost 🇸🇬 0 75 25ms 26 hours ago 231st sean-niemann 🇺🇸 0 75 178ms 8 hours ago 246th Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 246th ovs-code 🇩🇪 0 76 4ms 10 May 2025 246th AlephSquirrel 0 76 43ms 3 Dec 2025 246th AlephSquirrel 0 76 445ms 3 Dec 2025 246th albanian-laundromat 0 76 18ms 27 days ago 246th albanian-laundromat 0 76 188ms 21 days ago 246th MeWhenI 🇻🇦 0 76 586ms 14 days ago 246th MeWhenI 🇻🇦 0 76 184ms 4 days ago 246th duckyluuk 🇳🇱 0 76 128ms 4 days ago 255th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 255th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 255th addmai 0 77 20ms 24 Jul 2025 255th hiichbindermax 0 77 17ms 17 Aug 2025 255th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 255th davecame 0 77 135ms 25 Sep 2025 255th SirBogman 🇺🇸 0 77 232ms 13 Oct 2025 255th jtaxen 0 77 19ms 16 Oct 2025 255th albanian-laundromat 0 77 412ms 6 Dec 2025 255th Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 255th KasperKivimaeki 🇫🇮 0 77 564ms 14 days ago 255th StefanHabel 🇨🇦 0 77 1,217ms 6 days ago 255th ahmetdemirag 🇨🇾 0 77 18ms 6 days ago 255th tomh1012 0 77 17ms 6 days ago 255th qpwoeirut 0 77 20ms 5 days ago 255th btjones0 0 77 19ms 5 days ago 255th ComradeSquirrel 0 77 18ms 5 days ago 255th bzijlema 🇳🇱 0 77 18ms 5 days ago 255th Lv0Sys 🇵🇱 0 77 18ms 4 days ago 255th stefangimmillaro 0 77 136ms 38 hours ago 255th LostSyntax21 🇬🇧 0 77 18ms 29 hours ago 276th jameswmccarty 0 78 19ms 29 Mar 2025 276th DialFrost 🇸🇬 0 78 3ms 10 May 2025 276th solisolu 0 78 20ms 10 Nov 2025 276th madex 🇩🇪 0 78 3ms 3 days ago 276th madex 🇩🇪 0 78 91ms 47 hours ago 276th Steffan153 🇫🇮 0 78 454ms 13 hours ago 276th sean-niemann 🇺🇸 0 78 413ms 7 hours ago 283rd BREMAUCY 🇫🇷 0 79 18ms 6 days ago 283rd Andrey2001 0 79 18ms 6 days ago 283rd edsrzf 🇳🇿 0 79 30ms 5 days ago 283rd mishak-sys 0 79 411ms 4 days ago 283rd madex 🇩🇪 0 79 29ms 47 hours ago 288th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 288th error256 0 80 466ms 16 Jan 2026 288th albanian-laundromat 0 80 28ms 5 days ago 291st Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 291st Lv0Sys 🇵🇱 0 81 437ms 4 days ago 291st Aquateraneal 🇺🇸 0 81 19ms 3 days ago 291st luuumine 🇫🇷 0 81 16ms 3 days ago 291st solisolu 0 81 4ms 43 hours ago 291st aadenboy 🇺🇸 0 81 5ms 3 hours ago 297th bricknellj 0 82 17ms 30 Jan 2025 297th scpchicken 🇵🇼 0 82 402ms 6 days ago 297th KatieLG 🇬🇧 0 82 18ms 6 days ago 297th MeWhenI 🇻🇦 0 82 105ms 4 days ago 297th MeWhenI 🇻🇦 0 82 391ms 2 days ago 302nd GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 302nd GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 302nd error256 0 83 430ms 12 Jan 2026 302nd albanian-laundromat 0 83 9ms 26 Jan 2026 302nd edsrzf 🇳🇿 0 83 473ms 5 days ago 302nd edsrzf 🇳🇿 0 83 1,251ms 5 days ago 302nd edsrzf 🇳🇿 0 83 106ms 4 days ago 302nd Steffan153 🇫🇮 0 83 416ms 4 days ago 302nd msbranicky 0 83 18ms 3 days ago 311th madex 🇩🇪 0 84 373ms 44 hours ago 311th Msleizak 🇫🇷 0 84 302ms 5 hours ago 313th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 313th edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 313th albanian-laundromat 0 85 98ms 6 Dec 2025 313th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 313th edsrzf 🇳🇿 0 85 28ms 5 days ago 318th kg583 🇺🇸 0 86 23ms 2 Oct 2025 318th GolfingSuccess 🇬🇷 0 86 2,109ms 21 days ago 320th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 First Prev 241–320 of 421 Next Last