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 4atj 811 69 1,159ms 21 May 2025 242nd MeWhenI 🇻🇦 810 54 50ms 11 days ago 243rd GolfingSuccess 🇬🇷 807 27 27ms 26 Jan 2026 244th sean-niemann 🇺🇸 807 87 42ms 9 May 2025 245th albanian-laundromat 807 107 85ms 2 days ago 246th emgordon154 805 83 416ms 5 days ago 247th MeWhenI 🇻🇦 804 50 7ms 10 days ago 248th DialFrost 🇸🇬 804 78 3ms 10 May 2025 248th madex 🇩🇪 804 78 3ms 9 days ago 250th error256 803 50 4,709ms 15 Jan 2026 251st sean-niemann 🇺🇸 802 40 39ms 6 days ago 251st MeWhenI 🇻🇦 802 40 41ms 5 days ago 253rd sean-niemann 🇺🇸 801 58 163ms 15 Jan 2026 254th btnlq 800 70 193ms 4 Dec 2024 254th error256 800 70 133ms 15 Jan 2026 256th albanian-laundromat 800 122 264ms 5 Jan 2026 257th plcc0 799 63 361ms 10 days ago 257th CornerMercury 🇬🇧 799 63 420ms 9 days ago 259th stefangimmillaro 799 116 44ms 4 days ago 260th emgordon154 798 94 60ms 2 days ago 261st albanian-laundromat 797 88 1,372ms 5 Jan 2026 262nd Shanethegamer 🇺🇸 796 54 31ms 13 Dec 2024 262nd error256 796 54 26ms 2 May 2025 262nd emgordon154 796 54 41ms 12 days ago 262nd ComradeSquirrel 796 54 37ms 11 days ago 262nd helbling 🇨🇭 796 54 40ms 10 days ago 267th albanian-laundromat 794 74 10ms 19 days ago 268th madex 🇩🇪 792 58 2,632ms 9 days ago 269th albanian-laundromat 792 117 43ms 25 days ago 270th GolfingSuccess 🇬🇷 790 83 114ms 12 Jan 2026 271st ovs-code 🇩🇪 789 71 134ms 12 days ago 272nd albanian-laundromat 789 83 9ms 26 Jan 2026 273rd albanian-laundromat 788 76 18ms 3 Mar 2026 274th albanian-laundromat 788 207 1,463ms 6 Jan 2026 275th CaedenHarper 🇨🇦 787 51 960ms 11 days ago 276th madex 🇩🇪 787 124 272ms 7 days ago 277th aksyristos 783 41 104ms 18 days ago 277th emgordon154 783 41 41ms 2 days ago 277th nwellnhof 🇩🇪 783 41 72ms 2 hours ago 280th albanian-laundromat 783 76 188ms 27 days ago 280th MeWhenI 🇻🇦 783 76 188ms 10 days ago 282nd Yax42 🇫🇷 783 93 392ms 12 days ago 282nd MeWhenI 🇻🇦 783 93 386ms 5 days ago 284th DialFrost 🇸🇬 782 55 39ms 10 days ago 285th CaedenHarper 🇨🇦 781 22 96ms 10 days ago 286th edsrzf 🇳🇿 779 50 1,364ms 10 days ago 286th madex 🇩🇪 779 50 1,295ms 9 days ago 288th kg583 🇺🇸 779 106 38ms 9 May 2025 289th aksyristos 778 72 247ms 24 days ago 289th blaztoma 🇱🇹 778 72 151ms 12 days ago 289th Emutis 🇱🇹 778 72 121ms 12 days ago 289th zacjl 778 72 131ms 10 days ago 289th bizy-coder 778 72 132ms 3 days ago 294th albanian-laundromat 777 85 98ms 6 Dec 2025 295th albanian-laundromat 775 75 455ms 6 Jan 2026 296th dokutan 774 65 359ms 14 Feb 2026 297th solisolu 774 81 4ms 7 days ago 298th canissimia 🇦🇶 772 145 14ms 9 days ago 299th emgordon154 771 158 1,738ms 3 days ago 300th CaedenHarper 🇨🇦 768 56 12ms 11 days ago 300th MeWhenI 🇻🇦 768 56 12ms 10 days ago 300th madex 🇩🇪 768 56 13ms 9 days ago 300th edsrzf 🇳🇿 768 56 25ms 4 days ago 300th stefangimmillaro 768 56 12ms 35 hours ago 305th error256 767 67 111ms 30 Jan 2026 306th albanian-laundromat 767 77 412ms 6 Dec 2025 307th albanian-laundromat 767 192 201ms 8 days ago 308th scpchicken 🇵🇼 765 17 5ms 14 hours ago 309th CLOStrophobic 🇮🇹 765 108 47ms 17 Feb 2025 310th Shanethegamer 🇺🇸 764 42 41ms 13 Dec 2024 310th anter69 🇭🇺 764 42 193ms 4 Feb 2026 310th madex 🇩🇪 764 42 41ms 9 days ago 310th GolfingSuccess 🇬🇷 764 42 192ms 4 days ago 314th emgordon154 764 113 119ms 3 days ago 315th albanian-laundromat 763 47 1,193ms 5 Jan 2026 316th scpchicken 🇵🇼 762 33 36ms 15 hours ago 317th albanian-laundromat 762 265 68ms 8 Dec 2025 318th MeWhenI 🇻🇦 761 286 231ms 10 days ago 319th albanian-laundromat 758 53 975ms 6 Dec 2025 320th CaedenHarper 🇨🇦 758 96 379ms 11 days ago First Prev 241–320 of 498 Next Last