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 78th edsrzf 🇳🇿 0 63 7ms 10 May 2025 78th targrik 0 63 7ms 8 Oct 2025 78th albanian-laundromat 0 63 12ms 7 Dec 2025 78th GolfingSuccess 🇬🇷 0 63 7ms 2 days ago 85th error256 0 64 4,186ms 13 hours ago 86th albanian-laundromat 0 65 42ms 6 Dec 2025 86th GolfingSuccess 🇬🇷 0 65 92ms 2 days ago 88th Yax42 🇫🇷 0 66 398ms 9 days ago 88th AdrienHache 🇫🇷 0 66 426ms 8 days ago 88th GolfingSuccess 🇬🇷 0 66 10ms 2 days ago 91st Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 91st Shanethegamer 🇺🇸 0 67 377ms 7 May 2025 91st emgordon154 0 67 438ms 9 May 2025 91st namelessiw 0 67 441ms 2 Nov 2025 95th lifthrasiir 🇰🇷 0 68 549ms 11 Dec 2024 95th Shanethegamer 🇺🇸 0 68 264ms 13 Dec 2024 97th khvdm 0 69 142ms 13 Jan 2025 97th 4atj 0 69 1,142ms 21 May 2025 97th albanian-laundromat 0 69 544ms 6 Dec 2025 97th GolfingSuccess 🇬🇷 0 69 394ms 14 hours ago 101st btnlq 0 70 204ms 4 Dec 2024 101st kg583 🇺🇸 0 70 114ms 3 Oct 2025 101st error256 0 70 141ms 12 mins ago 104th GolfingSuccess 🇬🇷 0 71 3ms 2 days ago 104th GolfingSuccess 🇬🇷 0 71 25ms 2 days ago 104th GolfingSuccess 🇬🇷 0 71 18ms 13 hours ago 107th edsrzf 🇳🇿 0 72 546ms 9 May 2025 107th dokutan 0 72 389ms 15 Aug 2025 107th kg583 🇺🇸 0 72 19ms 2 Oct 2025 107th error256 0 72 21ms 2 days ago 111th IISResetMe 0 73 256ms 4 days ago 112th rhdqor213 0 74 3ms 11 May 2025 112th saito-ta 🇯🇵 0 74 3ms 11 May 2025 112th kg583 🇺🇸 0 74 138ms 3 Oct 2025 112th error256 0 74 3ms 2 days ago 116th kg583 🇺🇸 0 75 131ms 1 Dec 2024 116th hallvabo 🇳🇴 0 75 133ms 30 Dec 2024 116th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 116th pardouin 🇫🇷 0 75 136ms 24 Feb 2025 116th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 116th edsrzf 🇳🇿 0 75 708ms 9 May 2025 116th Natanaelel 🇸🇪 0 75 18ms 11 May 2025 116th Seek64 🇩🇪 0 75 124ms 3 Jun 2025 116th commandblockguy 🇺🇸 0 75 1,176ms 27 Aug 2025 116th JOrE20 🇺🇸 0 75 17ms 21 days ago 116th albanian-laundromat 0 75 103ms 10 days ago 116th albanian-laundromat 0 75 400ms 8 days ago 116th GolfingSuccess 🇬🇷 0 75 18ms 3 days ago 129th Shanethegamer 🇺🇸 0 76 126ms 13 Dec 2024 129th edsrzf 🇳🇿 0 76 117ms 10 May 2025 129th ovs-code 🇩🇪 0 76 3ms 10 May 2025 129th AlephSquirrel 0 76 38ms 3 Dec 2025 129th AlephSquirrel 0 76 429ms 3 Dec 2025 134th CornerMercury 🇬🇧 0 77 18ms 3 Dec 2024 134th ndren 0 77 19ms 3 Dec 2024 134th lifthrasiir 🇰🇷 0 77 189ms 11 Dec 2024 134th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 134th DialFrost 🇸🇬 0 77 16ms 8 May 2025 134th emgordon154 0 77 38ms 9 May 2025 134th edsrzf 🇳🇿 0 77 1,937ms 9 May 2025 134th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 134th lukegustafson 🇺🇸 0 77 17ms 16 Jun 2025 134th addmai 0 77 19ms 24 Jul 2025 134th hiichbindermax 0 77 17ms 17 Aug 2025 134th 5cw 🇺🇸 0 77 17ms 22 Aug 2025 134th davecame 0 77 140ms 25 Sep 2025 134th SirBogman 🇺🇸 0 77 230ms 13 Oct 2025 134th jtaxen 0 77 19ms 16 Oct 2025 134th albanian-laundromat 0 77 18ms 25 Nov 2025 134th albanian-laundromat 0 77 366ms 6 Dec 2025 151st jameswmccarty 0 78 18ms 29 Mar 2025 151st DialFrost 🇸🇬 0 78 939ms 10 May 2025 151st DialFrost 🇸🇬 0 78 3ms 10 May 2025 151st solisolu 0 78 18ms 10 Nov 2025 155th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 156th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 157th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 158th bricknellj 0 82 16ms 30 Jan 2025 158th dokutan 0 82 21ms 15 Aug 2025 158th aksyristos 0 82 19ms 2 days ago First Prev 81–160 of 229 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