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Gray Code Decoder in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Bytes Time Submitted 160th error256 855 74 3ms 12 Jan 2026 162nd GolfingSuccess 🇬🇷 853 49 34ms 12 Jan 2026 162nd albanian-laundromat 🇺🇸 853 49 35ms 9 Mar 2026 162nd MeWhenI 🇻🇦 853 49 35ms 25 Mar 2026 165th Steffan153 🇫🇮 852 68 487ms 25 days ago 165th edsrzf 🇳🇿 852 68 495ms 24 days ago 165th emgordon154 852 68 529ms 14 days ago 168th edsrzf 🇳🇿 852 71 17ms 25 Mar 2026 168th kg583 🇺🇸 852 71 18ms 25 Mar 2026 168th Steffan153 🇫🇮 852 71 17ms 27 days ago 168th GolfingSuccess 🇬🇷 852 71 19ms 25 days ago 172nd edsrzf 🇳🇿 852 94 6ms 26 Mar 2026 172nd albanian-laundromat 🇺🇸 852 94 6ms 26 Mar 2026 172nd sean-niemann 🇺🇸 852 94 6ms 27 days ago 172nd Steffan153 🇫🇮 852 94 6ms 25 days ago 176th Steffan153 🇫🇮 851 69 7ms 25 days ago 177th edsrzf 🇳🇿 851 83 1,489ms 25 Mar 2026 177th Steffan153 🇫🇮 851 83 1,498ms 25 days ago 179th GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 179th edsrzf 🇳🇿 850 85 28ms 25 Mar 2026 181st Natanaelel 🇸🇪 849 38 39ms 8 May 2025 181st ovs-code 🇩🇪 849 38 41ms 13 Jan 2026 181st pardouin 🇫🇷 849 38 42ms 19 Feb 2026 181st stefangimmillaro 849 38 44ms 22 days ago 181st blaztoma 🇱🇹 849 38 82ms 13 days ago 186th GolfingSuccess 🇬🇷 849 51 35ms 12 Jan 2026 186th sean-niemann 🇺🇸 849 51 34ms 15 Jan 2026 186th Steffan153 🇫🇮 849 51 34ms 19 Feb 2026 186th Natanaelel 🇸🇪 849 51 34ms 24 Mar 2026 186th voytxt 🇨🇿 849 51 33ms 25 days ago 186th weliveinhell 🇭🇹 849 51 36ms 14 days ago 186th Maznek 849 51 33ms 2 days ago 193rd Steffan153 🇫🇮 849 62 56ms 25 days ago 194th madex 🇩🇪 849 67 9ms 27 Mar 2026 195th GolfingSuccess 🇬🇷 849 69 422ms 14 Jan 2026 195th error256 849 69 465ms 22 Mar 2026 195th Steffan153 🇫🇮 849 69 486ms 25 days ago 195th stefangimmillaro 849 69 509ms 25 days ago 199th AlephSquirrel 849 76 38ms 3 Dec 2025 199th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 199th duckyluuk 🇳🇱 849 76 117ms 26 Mar 2026 199th emgordon154 849 76 310ms 23 days ago 203rd error256 849 98 166ms 16 Jan 2026 203rd edsrzf 🇳🇿 849 98 165ms 26 Mar 2026 205th ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 205th error256 848 91 293ms 14 Jan 2026 205th GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 205th Natanaelel 🇸🇪 848 91 311ms 24 Mar 2026 205th edsrzf 🇳🇿 848 91 292ms 25 days ago 205th Steffan153 🇫🇮 848 91 285ms 25 days ago 211th edsrzf 🇳🇿 847 78 110ms 25 days ago 211th Steffan153 🇫🇮 847 78 102ms 25 days ago 211th snoozingnewt 🇨🇦 847 78 105ms 13 days ago 214th edsrzf 🇳🇿 844 48 965ms 25 Mar 2026 215th DialFrost 🇸🇬 844 70 116ms 26 Mar 2026 215th Steffan153 🇫🇮 844 70 2,152ms 25 days ago 217th Yax42 🇫🇷 843 75 4ms 24 Mar 2026 218th error256 843 80 466ms 16 Jan 2026 219th error256 842 55 2,608ms 15 Feb 2026 220th edsrzf 🇳🇿 841 96 32ms 24 Mar 2026 220th Steffan153 🇫🇮 841 96 30ms 27 days ago 222nd GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 222nd Steffan153 🇫🇮 841 117 329ms 25 days ago 224th kg583 🇺🇸 840 86 23ms 2 Oct 2025 225th stefangimmillaro 840 99 161ms 26 days ago 225th Steffan153 🇫🇮 840 99 182ms 25 days ago 225th vang1ong7ang 840 99 185ms 3 hours ago 228th albanian-laundromat 🇺🇸 839 69 484ms 6 Dec 2025 229th GolfingSuccess 🇬🇷 839 70 15ms 25 days ago 229th rucin93 🇵🇱 839 70 15ms 21 days ago 231st error256 839 91 64ms 12 Jan 2026 231st Steffan153 🇫🇮 839 91 60ms 26 Mar 2026 233rd bitsandbeyond 🇳🇱 838 43 1,419ms 19 Mar 2026 234th lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 234th Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 234th addmai 838 77 20ms 24 Jul 2025 234th hiichbindermax 838 77 18ms 17 Aug 2025 234th 5cw 🇺🇸 838 77 20ms 22 Aug 2025 234th davecame 838 77 142ms 25 Sep 2025 234th SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 First Prev 161–240 of 640 Next Last