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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 Huffman Encoder 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 Huffman Encoder 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 501st Shanethegamer 🇺🇸 615 114 1,542ms 9 May 2025 502nd brian124634 613 103 4ms 27 days ago 503rd retrohun 611 64 301ms 5 hours ago 504th madex 🇩🇪 608 99 18ms 28 Mar 2026 505th kasarino 607 104 3ms 25 Mar 2026 506th duckyluuk 🇳🇱 606 69 119ms 7 days ago 507th scpchicken 🇵🇼 602 45 6ms 16 days ago 508th tomh1012 602 97 474ms 24 Mar 2026 509th janAkali 🇷🇺 600 99 434ms 1 Apr 2026 510th albanian-laundromat 🇺🇸 598 98 146ms 23 Feb 2026 511th dokutan 597 54 48ms 19 days ago 512th Shanethegamer 🇺🇸 597 121 166ms 13 Dec 2024 513th michelebastione 🇮🇹 596 98 443ms 30 Mar 2026 514th madex 🇩🇪 590 119 1,464ms 28 Mar 2026 515th Solathian 589 46 77ms 26 Mar 2026 516th dcc5480 582 111 20ms 14 days ago 517th albanian-laundromat 🇺🇸 568 75 268ms 2 Mar 2026 517th dokutan 568 75 209ms 19 days ago 519th madex 🇩🇪 568 129 426ms 27 Mar 2026 520th prestosilver 🇺🇸 566 105 430ms 1 Apr 2026 521st dokutan 560 129 37ms 8 hours ago 522nd Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 523rd dokutan 538 75 825ms 19 days ago 524th JDiLenarda 🇫🇷 536 131 1,562ms 25 Mar 2026 525th Shanethegamer 🇺🇸 523 50 4,043ms 8 May 2025 526th Arkadios200 520 146 2,610ms 20 days ago 527th madex 🇩🇪 514 100 118ms 28 Mar 2026 528th dokutan 513 191 293ms 19 days ago 529th AstroOrbis 512 126 32ms 12 Aug 2025 530th madex 🇩🇪 494 53 570ms 27 Mar 2026 531st HumanoidCPU 487 120 515ms 30 Mar 2026 532nd madex 🇩🇪 471 170 33ms 28 Mar 2026 533rd denkyuu1 460 70 47ms 3 days ago 534th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 535th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 536th Msleizak 🇫🇷 427 84 339ms 30 Mar 2026 537th kasarino 420 170 45ms 17 days ago 538th madex 🇩🇪 418 78 91ms 28 Mar 2026 539th dokutan 412 163 470ms 19 days ago 540th dokutan 384 152 448ms 19 days ago 541st muser-logiccpu 🇺🇦 370 88 70ms 2 Sep 2025 542nd Ripick 300 198 466ms 21 days ago 543rd dokutan 224 253 5ms 19 days ago 544th dokutan 205 371 72ms 19 days ago 545th dokutan 170 371 4ms 19 days ago 546th dokutan 152 395 21ms 19 days ago 547th darrenks 🇺🇸 0 6 45ms 24 Mar 2026 547th 2bular 0 6 45ms 24 Mar 2026 547th Natanaelel 🇸🇪 0 6 46ms 24 Mar 2026 547th plcc0 0 6 46ms 25 Mar 2026 551st kg583 🇺🇸 0 10 913ms 8 May 2025 552nd namelessiw 0 11 344ms 13 days ago 553rd someCoder-a11y 0 13 214ms 13 days ago 554th themoonisacheese 0 14 2,893ms 1 Apr 2026 555th AlephSquirrel 0 31 8ms 3 Dec 2025 555th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 557th AlephSquirrel 0 42 5ms 3 Dec 2025 557th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 559th Shanethegamer 🇺🇸 0 49 168ms 81 mins ago 560th ovs-code 🇩🇪 0 53 123ms 30 May 2025 561st madex 🇩🇪 0 59 1,440ms 27 Mar 2026 562nd GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 563rd Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 564th GolfingSuccess 🇬🇷 0 71 23ms 12 Jan 2026 564th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 566th KatieLG 🇬🇧 0 81 63ms 29 Mar 2026 567th dokutan 0 85 68ms 19 days ago 568th Matter1024 🇮🇳 0 101 60ms 17 days ago 569th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 570th btjones0 0 126 168ms 25 Mar 2026 571st FortuiteMan 🇫🇷 0 132 267ms 4 days ago 572nd edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 573rd dokutan 0 144 426ms 10 days ago 574th dokutan 0 262 12ms 10 days ago First Prev 501–574 of 574