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 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 Calendar 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 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 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 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 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 Calendar 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 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 Chars Time Submitted 74th lifthrasiir 🇰🇷 0 64 191ms 11 Dec 2024 74th emgordon154 0 64 18ms 9 May 2025 78th Shanethegamer 🇺🇸 0 65 261ms 13 Dec 2024 78th albanian-laundromat 0 65 36ms 19 hours ago 80th dokutan 0 66 417ms 18 Aug 2025 80th dokutan 0 66 17ms 18 Aug 2025 82nd Shanethegamer 🇺🇸 0 67 108ms 7 May 2025 82nd Shanethegamer 🇺🇸 0 67 372ms 7 May 2025 82nd AdrienHache 🇫🇷 0 67 372ms 2 Nov 2025 82nd namelessiw 0 67 364ms 2 Nov 2025 86th 4atj 0 69 1,112ms 21 May 2025 86th albanian-laundromat 0 69 475ms 17 hours ago 88th btnlq 0 70 210ms 4 Dec 2024 88th error256 0 70 80ms 7 May 2025 88th kg583 🇺🇸 0 70 114ms 3 Oct 2025 88th kg583 🇺🇸 0 70 100ms 3 Oct 2025 92nd edsrzf 🇳🇿 0 72 523ms 9 May 2025 92nd kg583 🇺🇸 0 72 19ms 2 Oct 2025 94th rhdqor213 0 74 3ms 11 May 2025 94th saito-ta 🇯🇵 0 74 3ms 11 May 2025 96th ovs-code 🇩🇪 0 75 17ms 23 Feb 2025 96th Shanethegamer 🇺🇸 0 75 76ms 7 May 2025 96th edsrzf 🇳🇿 0 75 681ms 9 May 2025 96th error256 0 75 221ms 10 May 2025 96th Natanaelel 🇸🇪 0 75 19ms 11 May 2025 96th Seek64 🇩🇪 0 75 125ms 3 Jun 2025 96th commandblockguy 🇺🇸 0 75 1,148ms 27 Aug 2025 103rd Shanethegamer 🇺🇸 0 76 100ms 13 Dec 2024 103rd sean-niemann 🇺🇸 0 76 102ms 9 May 2025 103rd edsrzf 🇳🇿 0 76 99ms 10 May 2025 103rd ovs-code 🇩🇪 0 76 4ms 10 May 2025 103rd AlephSquirrel 0 76 44ms 3 days ago 103rd AlephSquirrel 0 76 407ms 3 days ago 109th Shanethegamer 🇺🇸 0 77 20ms 13 Dec 2024 109th GolfingSuccess 🇬🇷 0 77 22ms 30 Dec 2024 109th DialFrost 🇸🇬 0 77 18ms 8 May 2025 109th edsrzf 🇳🇿 0 77 1,871ms 9 May 2025 109th Natanaelel 🇸🇪 0 77 4ms 11 May 2025 109th lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 109th addmai 0 77 18ms 24 Jul 2025 109th hiichbindermax 0 77 17ms 17 Aug 2025 109th 5cw 🇺🇸 0 77 16ms 22 Aug 2025 109th davecame 0 77 135ms 25 Sep 2025 109th SirBogman 🇺🇸 0 77 247ms 13 Oct 2025 109th jtaxen 0 77 19ms 16 Oct 2025 109th albanian-laundromat 0 77 27ms 11 days ago 109th albanian-laundromat 0 77 358ms 15 mins ago 123rd jameswmccarty 0 78 18ms 29 Mar 2025 123rd DialFrost 🇸🇬 0 78 790ms 10 May 2025 123rd DialFrost 🇸🇬 0 78 3ms 10 May 2025 123rd solisolu 0 78 19ms 26 days ago 123rd JOrE20 🇺🇸 0 78 11ms 6 hours ago 128th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 129th Shanethegamer 🇺🇸 0 80 4ms 3 Jun 2025 130th Shanethegamer 🇺🇸 0 81 440ms 3 Jun 2025 131st bricknellj 0 82 17ms 30 Jan 2025 132nd kg583 🇺🇸 0 83 344ms 2 Oct 2025 133rd Shanethegamer 🇺🇸 0 85 13ms 13 Dec 2024 133rd edsrzf 🇳🇿 0 85 1,375ms 25 May 2025 133rd albanian-laundromat 0 85 90ms 17 hours ago 136th kg583 🇺🇸 0 86 25ms 2 Oct 2025 136th kg583 🇺🇸 0 86 441ms 3 Oct 2025 138th sean-niemann 🇺🇸 0 87 47ms 9 May 2025 139th edsrzf 🇳🇿 0 88 1,907ms 15 May 2025 139th Upload-and-View 🇺🇦 0 88 69ms 2 Sep 2025 139th solisolu 0 88 3ms 25 days ago 142nd Shanethegamer 🇺🇸 0 89 96ms 13 Dec 2024 143rd sean-niemann 🇺🇸 0 90 6ms 10 May 2025 143rd rucin93 🇵🇱 0 90 7ms 10 May 2025 145th sean-niemann 🇺🇸 0 92 432ms 9 May 2025 145th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 147th Shanethegamer 🇺🇸 0 94 353ms 13 Dec 2024 147th edsrzf 🇳🇿 0 94 458ms 20 May 2025 149th Natanaelel 🇸🇪 0 96 365ms 8 May 2025 149th stefangimmillaro 0 96 21ms 10 May 2025 First Prev 76–150 of 188 Next Last