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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 Chars Time Submitted 81st sean-niemann 🇺🇸 0 58 156ms 15 Jan 2026 82nd lifthrasiir 🇰🇷 0 59 572ms 11 Dec 2024 82nd ovs-code 🇩🇪 0 59 502ms 23 Feb 2025 82nd error256 0 59 68ms 13 Jan 2026 85th khvdm 0 60 156ms 13 Jan 2025 85th emgordon154 0 60 406ms 9 May 2025 85th emgordon154 0 60 379ms 9 May 2025 85th albanian-laundromat 0 60 369ms 14 days ago 89th DialFrost 🇸🇬 0 61 32ms 24 Feb 2025 89th voytxt 🇨🇿 0 61 37ms 1 Jan 2026 89th albanian-laundromat 0 61 14ms 5 days ago 92nd Andrey-Plotnikov 0 62 30ms 12 Jan 2025 92nd XenThe 🇬🇧 0 62 15ms 15 Jul 2025 92nd sean-niemann 🇺🇸 0 62 401ms 15 Jan 2026 92nd pardouin 🇫🇷 0 62 192ms 22 days ago 92nd Steffan153 🇫🇮 0 62 200ms 16 days ago 92nd JOrE20 0 62 33ms 9 days ago 98th kg583 🇺🇸 0 63 904ms 1 Dec 2024 98th hallvabo 🇳🇴 0 63 150ms 30 Dec 2024 98th Shanethegamer 🇺🇸 0 63 177ms 7 May 2025 98th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 98th rucin93 🇵🇱 0 63 7ms 10 May 2025 98th edsrzf 🇳🇿 0 63 6ms 10 May 2025 98th targrik 0 63 7ms 8 Oct 2025 98th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 106th CornerMercury 🇬🇧 0 64 19ms 3 Dec 2024 106th ndren 0 64 18ms 3 Dec 2024 106th lifthrasiir 🇰🇷 0 64 182ms 11 Dec 2024 106th emgordon154 0 64 19ms 9 May 2025 106th error256 0 64 4,378ms 15 Jan 2026 106th anter69 🇭🇺 0 64 19ms 4 Feb 2026 106th albanian-laundromat 0 64 18ms 14 days ago 106th albanian-laundromat 0 64 547ms 13 days ago 114th Shanethegamer 🇺🇸 0 65 257ms 13 Dec 2024 114th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 114th dokutan 0 65 359ms 23 days ago 117th dokutan 0 66 19ms 18 Aug 2025 117th Yax42 🇫🇷 0 66 398ms 6 Jan 2026 117th AdrienHache 🇫🇷 0 66 417ms 6 Jan 2026 117th GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 121st Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 121st Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 121st namelessiw 0 67 441ms 2 Nov 2025 121st error256 0 67 121ms 30 Jan 2026 125th 4atj 0 69 1,159ms 21 May 2025 125th GolfingSuccess 🇬🇷 0 69 394ms 14 Jan 2026 127th btnlq 0 70 193ms 4 Dec 2024 127th kg583 🇺🇸 0 70 120ms 3 Oct 2025 127th error256 0 70 133ms 15 Jan 2026 130th GolfingSuccess 🇬🇷 0 71 4ms 12 Jan 2026 130th GolfingSuccess 🇬🇷 0 71 27ms 12 Jan 2026 130th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 130th error256 0 71 19ms 6 days ago 134th edsrzf 🇳🇿 0 72 546ms 9 May 2025 134th kg583 🇺🇸 0 72 18ms 2 Oct 2025 134th rucin93 🇵🇱 0 72 9ms 2 days ago 137th IISResetMe 0 73 256ms 10 Jan 2026 138th rhdqor213 0 74 3ms 11 May 2025 138th saito-ta 🇯🇵 0 74 3ms 11 May 2025 138th error256 0 74 3ms 12 Jan 2026 138th dokutan 0 74 65ms 8 Feb 2026 138th lukegustafson 🇺🇸 0 74 190ms 8 hours ago 143rd ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 143rd Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 143rd edsrzf 🇳🇿 0 75 669ms 9 May 2025 143rd Natanaelel 🇸🇪 0 75 20ms 11 May 2025 143rd Seek64 🇩🇪 0 75 125ms 3 Jun 2025 143rd commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 143rd albanian-laundromat 0 75 141ms 5 Jan 2026 143rd albanian-laundromat 0 75 370ms 6 Jan 2026 143rd GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 143rd albanian-laundromat 0 75 238ms 6 days ago 153rd Shanethegamer 🇺🇸 0 76 135ms 13 Dec 2024 153rd edsrzf 🇳🇿 0 76 114ms 10 May 2025 153rd ovs-code 🇩🇪 0 76 3ms 10 May 2025 153rd AlephSquirrel 0 76 43ms 3 Dec 2025 153rd AlephSquirrel 0 76 445ms 3 Dec 2025 153rd albanian-laundromat 0 76 19ms 6 days ago 153rd albanian-laundromat 0 76 188ms 13 hours ago 160th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 First Prev 81–160 of 258 Next Last