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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Chars Time Submitted 241st DialFrost 🇸🇬 804 78 3ms 10 May 2025 241st madex 🇩🇪 804 78 3ms 7 days ago 243rd error256 803 50 4,709ms 15 Jan 2026 244th sean-niemann 🇺🇸 801 40 39ms 4 days ago 244th MeWhenI 🇻🇦 801 40 41ms 3 days ago 246th btnlq 800 70 193ms 4 Dec 2024 246th error256 800 70 133ms 15 Jan 2026 248th albanian-laundromat 800 108 83ms 24 days ago 249th albanian-laundromat 800 122 264ms 5 Jan 2026 250th plcc0 799 63 361ms 8 days ago 250th CornerMercury 🇬🇧 799 63 420ms 6 days ago 252nd stefangimmillaro 799 116 44ms 2 days ago 253rd emgordon154 798 94 60ms 7 hours ago 254th albanian-laundromat 797 88 1,372ms 5 Jan 2026 255th Shanethegamer 🇺🇸 795 54 31ms 13 Dec 2024 255th error256 795 54 26ms 2 May 2025 255th emgordon154 795 54 41ms 10 days ago 255th ComradeSquirrel 795 54 40ms 9 days ago 255th helbling 🇨🇭 795 54 40ms 8 days ago 260th albanian-laundromat 794 74 10ms 17 days ago 261st madex 🇩🇪 792 58 2,632ms 7 days ago 262nd albanian-laundromat 792 117 43ms 23 days ago 263rd ovs-code 🇩🇪 789 71 134ms 9 days ago 264th albanian-laundromat 789 83 9ms 26 Jan 2026 265th albanian-laundromat 788 76 18ms 3 Mar 2026 266th albanian-laundromat 788 207 1,463ms 6 Jan 2026 267th CaedenHarper 🇨🇦 787 51 960ms 9 days ago 268th madex 🇩🇪 787 124 272ms 5 days ago 269th GolfingSuccess 🇬🇷 783 83 114ms 12 Jan 2026 270th Yax42 🇫🇷 783 93 392ms 9 days ago 270th MeWhenI 🇻🇦 783 93 386ms 3 days ago 272nd stefangimmillaro 782 41 73ms 9 May 2025 272nd aksyristos 782 41 104ms 16 days ago 272nd emgordon154 782 41 43ms 7 hours ago 275th CaedenHarper 🇨🇦 781 22 96ms 7 days ago 276th DialFrost 🇸🇬 781 55 39ms 7 days ago 277th edsrzf 🇳🇿 779 50 1,364ms 8 days ago 277th madex 🇩🇪 779 50 1,295ms 7 days ago 279th kg583 🇺🇸 779 106 38ms 9 May 2025 280th aksyristos 778 72 247ms 22 days ago 280th blaztoma 🇱🇹 778 72 151ms 10 days ago 280th Emutis 🇱🇹 778 72 121ms 9 days ago 280th zacjl 778 72 131ms 8 days ago 280th bizy-coder 778 72 132ms 22 hours ago 285th albanian-laundromat 778 76 188ms 25 days ago 285th MeWhenI 🇻🇦 778 76 188ms 8 days ago 287th albanian-laundromat 777 85 98ms 6 Dec 2025 288th albanian-laundromat 775 75 455ms 6 Jan 2026 289th dokutan 774 65 359ms 14 Feb 2026 290th solisolu 774 81 4ms 5 days ago 291st canissimia 🇦🇶 772 145 14ms 6 days ago 292nd Shanethegamer 🇺🇸 771 63 198ms 7 May 2025 293rd emgordon154 771 158 1,738ms 40 hours ago 294th CaedenHarper 🇨🇦 767 56 12ms 9 days ago 294th MeWhenI 🇻🇦 767 56 12ms 8 days ago 294th madex 🇩🇪 767 56 13ms 7 days ago 294th edsrzf 🇳🇿 767 56 25ms 2 days ago 298th error256 767 67 111ms 30 Jan 2026 299th albanian-laundromat 767 77 412ms 6 Dec 2025 300th albanian-laundromat 767 192 201ms 6 days ago 301st CLOStrophobic 🇮🇹 765 108 47ms 17 Feb 2025 302nd emgordon154 764 113 119ms 40 hours ago 303rd Shanethegamer 🇺🇸 763 42 41ms 13 Dec 2024 303rd anter69 🇭🇺 763 42 193ms 4 Feb 2026 303rd madex 🇩🇪 763 42 41ms 7 days ago 303rd GolfingSuccess 🇬🇷 763 42 192ms 2 days ago 307th albanian-laundromat 763 47 1,193ms 5 Jan 2026 308th albanian-laundromat 762 265 68ms 8 Dec 2025 309th MeWhenI 🇻🇦 761 286 231ms 8 days ago 310th albanian-laundromat 758 53 975ms 6 Dec 2025 311th CaedenHarper 🇨🇦 758 96 379ms 9 days ago 312th madex 🇩🇪 757 70 485ms 5 days ago 313th lukegustafson 🇺🇸 757 74 189ms 25 days ago 314th Steffan153 🇫🇮 753 114 53ms 2 days ago 315th Shanethegamer 🇺🇸 751 67 436ms 7 May 2025 315th CaedenHarper 🇨🇦 751 67 513ms 12 days ago 315th fuzzylojik-golf 🇺🇸 751 67 490ms 10 days ago 315th MeWhenI 🇻🇦 751 67 997ms 2 days ago 319th DialFrost 🇸🇬 751 97 1,249ms 3 days ago 320th 4atj 750 36 230ms 21 May 2025 First Prev 241–320 of 487 Next Last