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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 321st sean-niemann 🇺🇸 0 87 42ms 9 May 2025 321st error256 0 87 2,931ms 14 Jan 2026 321st IanUtley 0 87 2,957ms 16 Jan 2026 321st CaedenHarper 🇨🇦 0 87 430ms 6 days ago 321st madex 🇩🇪 0 87 12ms 4 days ago 326th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 326th albanian-laundromat 0 88 1,372ms 5 Jan 2026 328th Shanethegamer 🇺🇸 0 89 107ms 13 Dec 2024 328th GolfingSuccess 🇬🇷 0 89 56ms 12 Jan 2026 330th sean-niemann 🇺🇸 0 90 7ms 10 May 2025 331st ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 331st error256 0 91 62ms 12 Jan 2026 331st error256 0 91 293ms 14 Jan 2026 331st GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 331st Natanaelel 🇸🇪 0 91 311ms 6 days ago 331st Steffan153 🇫🇮 0 91 57ms 4 days ago 337th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 337th Yax42 🇫🇷 0 92 60ms 6 days ago 337th edsrzf 🇳🇿 0 92 18ms 5 days ago 340th Yax42 🇫🇷 0 93 392ms 6 days ago 340th MeWhenI 🇻🇦 0 93 386ms 54 mins ago 342nd Shanethegamer 🇺🇸 0 94 383ms 13 Dec 2024 342nd edsrzf 🇳🇿 0 94 459ms 20 May 2025 342nd edsrzf 🇳🇿 0 94 6ms 5 days ago 342nd albanian-laundromat 0 94 6ms 5 days ago 342nd madex 🇩🇪 0 94 99ms 2 days ago 342nd sean-niemann 🇺🇸 0 94 6ms 21 hours ago 348th albanian-laundromat 0 95 114ms 6 Jan 2026 349th Shanethegamer 🇺🇸 0 96 427ms 3 Jun 2025 349th CaedenHarper 🇨🇦 0 96 416ms 6 days ago 349th edsrzf 🇳🇿 0 96 32ms 6 days ago 349th kumavale 0 96 160ms 5 days ago 349th Steffan153 🇫🇮 0 96 30ms 27 hours ago 354th albanian-laundromat 0 97 44ms 6 Dec 2025 354th tomh1012 0 97 391ms 6 days ago 354th DialFrost 🇸🇬 0 97 1,249ms 8 hours ago 357th error256 0 98 155ms 16 Jan 2026 357th albanian-laundromat 0 98 135ms 23 Feb 2026 357th edsrzf 🇳🇿 0 98 157ms 5 days ago 357th michelebastione 🇮🇹 0 98 454ms 14 hours ago 361st Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 361st madex 🇩🇪 0 99 19ms 2 days ago 361st stefangimmillaro 0 99 150ms 77 mins ago 364th edsrzf 🇳🇿 0 100 145ms 9 May 2025 364th JOrE20 0 100 42ms 15 Dec 2025 364th madex 🇩🇪 0 100 112ms 2 days ago 364th h3ra993huskp 🇯🇵 0 100 392ms 2 days ago 364th kmathis22 0 100 403ms 9 hours ago 369th rucin93 🇵🇱 0 101 373ms 25 days ago 369th madex 🇩🇪 0 101 141ms 2 days ago 371st fantaize 0 102 146ms 20 days ago 371st emgordon154 0 102 4ms 6 days ago 371st madex 🇩🇪 0 102 156ms 4 days ago 374th Jacob385 0 103 386ms 2 days ago 375th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 375th kasarino 0 104 4ms 5 days ago 377th kg583 🇺🇸 0 106 38ms 9 May 2025 378th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 378th AlephSquirrel 0 107 20ms 14 May 2025 380th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 380th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 380th albanian-laundromat 0 108 31ms 5 Jan 2026 380th albanian-laundromat 0 108 83ms 21 days ago 384th kg583 🇺🇸 0 109 42ms 3 Mar 2026 384th GolfingSuccess 🇬🇷 0 109 46ms 27 days ago 384th edsrzf 🇳🇿 0 109 43ms 6 days ago 384th edsrzf 🇳🇿 0 109 35ms 4 days ago 388th retrohun 0 111 41ms 6 days ago 389th GolfingSuccess 🇬🇷 0 112 44ms 24 Jan 2026 390th Shanethegamer 🇺🇸 0 114 1,281ms 9 May 2025 390th error256 0 114 513ms 29 Jan 2026 390th edsrzf 🇳🇿 0 114 489ms 5 days ago 393rd emgordon154 0 115 80ms 4 days ago 394th GolfingSuccess 🇬🇷 0 117 283ms 12 Jan 2026 394th albanian-laundromat 0 117 43ms 20 days ago 394th elgan65536 🇺🇸 0 117 156ms 33 hours ago 397th MeWhenI 🇻🇦 0 118 284ms 3 days ago 398th madex 🇩🇪 0 119 1,351ms 2 days ago 398th stefangimmillaro 0 119 276ms 91 mins ago 400th CaedenHarper 🇨🇦 0 120 274ms 6 days ago First Prev 321–400 of 425 Next Last