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 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 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 Multitap Input 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 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 Multitap Input 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 Bytes Time Submitted 77th targrik 0 63 7ms 8 Oct 2025 77th albanian-laundromat 0 63 13ms 7 Dec 2025 77th GolfingSuccess 🇬🇷 0 63 7ms 35 hours ago 84th albanian-laundromat 0 65 42ms 6 Dec 2025 84th GolfingSuccess 🇬🇷 0 65 92ms 35 hours ago 86th Yax42 🇫🇷 0 66 402ms 7 days ago 86th AdrienHache 🇫🇷 0 66 414ms 7 days ago 86th GolfingSuccess 🇬🇷 0 66 10ms 36 hours ago 89th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 89th Shanethegamer 🇺🇸 0 67 377ms 7 May 2025 89th emgordon154 0 67 466ms 9 May 2025 89th namelessiw 0 67 399ms 2 Nov 2025 93rd lifthrasiir 🇰🇷 0 68 549ms 11 Dec 2024 93rd Shanethegamer 🇺🇸 0 68 264ms 13 Dec 2024 95th khvdm 0 69 142ms 13 Jan 2025 95th 4atj 0 69 1,142ms 21 May 2025 95th albanian-laundromat 0 69 529ms 6 Dec 2025 98th btnlq 0 70 204ms 4 Dec 2024 98th kg583 🇺🇸 0 70 169ms 3 Oct 2025 100th GolfingSuccess 🇬🇷 0 71 3ms 37 hours ago 100th GolfingSuccess 🇬🇷 0 71 25ms 36 hours ago 102nd edsrzf 🇳🇿 0 72 572ms 9 May 2025 102nd dokutan 0 72 389ms 15 Aug 2025 102nd kg583 🇺🇸 0 72 18ms 2 Oct 2025 102nd error256 0 72 20ms 32 hours ago 106th IISResetMe 0 73 326ms 3 days ago 107th rhdqor213 0 74 3ms 11 May 2025 107th saito-ta 🇯🇵 0 74 3ms 11 May 2025 107th kg583 🇺🇸 0 74 138ms 3 Oct 2025 107th error256 0 74 3ms 33 hours ago 111th kg583 🇺🇸 0 75 131ms 1 Dec 2024 111th hallvabo 🇳🇴 0 75 133ms 30 Dec 2024 111th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 111th pardouin 🇫🇷 0 75 136ms 24 Feb 2025 111th Shanethegamer 🇺🇸 0 75 72ms 7 May 2025 111th edsrzf 🇳🇿 0 75 708ms 9 May 2025 111th error256 0 75 166ms 10 May 2025 111th Natanaelel 🇸🇪 0 75 18ms 11 May 2025 111th Seek64 🇩🇪 0 75 125ms 3 Jun 2025 111th commandblockguy 🇺🇸 0 75 1,176ms 27 Aug 2025 111th JOrE20 🇺🇸 0 75 17ms 19 days ago 111th albanian-laundromat 0 75 103ms 8 days ago 111th albanian-laundromat 0 75 375ms 7 days ago 111th GolfingSuccess 🇬🇷 0 75 18ms 2 days ago 125th Shanethegamer 🇺🇸 0 76 133ms 13 Dec 2024 125th edsrzf 🇳🇿 0 76 117ms 10 May 2025 125th ovs-code 🇩🇪 0 76 3ms 10 May 2025 125th AlephSquirrel 0 76 38ms 3 Dec 2025 125th AlephSquirrel 0 76 429ms 3 Dec 2025 130th CornerMercury 🇬🇧 0 77 18ms 3 Dec 2024 130th ndren 0 77 19ms 3 Dec 2024 130th lifthrasiir 🇰🇷 0 77 189ms 11 Dec 2024 130th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 130th DialFrost 🇸🇬 0 77 16ms 8 May 2025 130th emgordon154 0 77 38ms 9 May 2025 130th edsrzf 🇳🇿 0 77 1,937ms 9 May 2025 130th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 130th lukegustafson 🇺🇸 0 77 17ms 16 Jun 2025 130th addmai 0 77 19ms 24 Jul 2025 130th hiichbindermax 0 77 17ms 17 Aug 2025 130th 5cw 🇺🇸 0 77 17ms 22 Aug 2025 130th davecame 0 77 140ms 25 Sep 2025 130th SirBogman 🇺🇸 0 77 230ms 13 Oct 2025 130th jtaxen 0 77 19ms 16 Oct 2025 130th albanian-laundromat 0 77 18ms 25 Nov 2025 130th albanian-laundromat 0 77 366ms 6 Dec 2025 147th jameswmccarty 0 78 18ms 29 Mar 2025 147th DialFrost 🇸🇬 0 78 939ms 10 May 2025 147th DialFrost 🇸🇬 0 78 3ms 10 May 2025 147th solisolu 0 78 18ms 10 Nov 2025 151st KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 152nd Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 153rd Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 154th bricknellj 0 82 16ms 30 Jan 2025 154th dokutan 0 82 21ms 15 Aug 2025 154th aksyristos 0 82 19ms 18 hours ago 157th GolfingSuccess 🇬🇷 0 83 108ms 2 days ago 157th GolfingSuccess 🇬🇷 0 83 367ms 37 hours ago 157th error256 0 83 367ms 33 hours ago 160th albanian-laundromat 0 84 9ms 11 Dec 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