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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 lifthrasiir 🇰🇷 0 59 572ms 11 Dec 2024 81st ovs-code 🇩🇪 0 59 502ms 23 Feb 2025 81st GolfingSuccess 🇬🇷 0 59 175ms 12 Jan 2026 81st error256 0 59 68ms 13 Jan 2026 85th khvdm 0 60 156ms 13 Jan 2025 85th emgordon154 0 60 274ms 9 May 2025 85th emgordon154 0 60 379ms 9 May 2025 88th DialFrost 🇸🇬 0 61 26ms 24 Feb 2025 88th voytxt 🇨🇿 0 61 42ms 1 Jan 2026 90th Andrey-Plotnikov 0 62 26ms 12 Jan 2025 90th XenThe 🇬🇧 0 62 13ms 15 Jul 2025 90th sean-niemann 🇺🇸 0 62 401ms 15 Jan 2026 90th pardouin 🇫🇷 0 62 192ms 5 days ago 94th kg583 🇺🇸 0 63 904ms 1 Dec 2024 94th hallvabo 🇳🇴 0 63 150ms 30 Dec 2024 94th Shanethegamer 🇺🇸 0 63 171ms 7 May 2025 94th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 94th rucin93 🇵🇱 0 63 7ms 10 May 2025 94th edsrzf 🇳🇿 0 63 6ms 10 May 2025 94th targrik 0 63 7ms 8 Oct 2025 94th albanian-laundromat 0 63 15ms 7 Dec 2025 94th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 103rd CornerMercury 🇬🇧 0 64 19ms 3 Dec 2024 103rd ndren 0 64 18ms 3 Dec 2024 103rd lifthrasiir 🇰🇷 0 64 182ms 11 Dec 2024 103rd emgordon154 0 64 19ms 9 May 2025 103rd error256 0 64 4,378ms 15 Jan 2026 103rd anter69 🇭🇺 0 64 19ms 15 days ago 109th Shanethegamer 🇺🇸 0 65 257ms 13 Dec 2024 109th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 109th dokutan 0 65 359ms 6 days ago 112th dokutan 0 66 19ms 18 Aug 2025 112th Yax42 🇫🇷 0 66 398ms 6 Jan 2026 112th AdrienHache 🇫🇷 0 66 423ms 6 Jan 2026 112th GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 112th JOrE20 0 66 34ms 8 days ago 117th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 117th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 117th namelessiw 0 67 441ms 2 Nov 2025 117th error256 0 67 146ms 21 days ago 121st 4atj 0 69 1,159ms 21 May 2025 121st albanian-laundromat 0 69 489ms 6 Dec 2025 121st GolfingSuccess 🇬🇷 0 69 394ms 14 Jan 2026 124th btnlq 0 70 193ms 4 Dec 2024 124th kg583 🇺🇸 0 70 120ms 3 Oct 2025 124th error256 0 70 133ms 15 Jan 2026 127th GolfingSuccess 🇬🇷 0 71 4ms 12 Jan 2026 127th GolfingSuccess 🇬🇷 0 71 27ms 12 Jan 2026 127th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 130th edsrzf 🇳🇿 0 72 546ms 9 May 2025 130th kg583 🇺🇸 0 72 18ms 2 Oct 2025 130th error256 0 72 19ms 12 Jan 2026 133rd IISResetMe 0 73 256ms 10 Jan 2026 133rd Steffan153 🇫🇮 0 73 198ms 21 hours ago 135th rhdqor213 0 74 3ms 11 May 2025 135th saito-ta 🇯🇵 0 74 3ms 11 May 2025 135th error256 0 74 3ms 12 Jan 2026 135th dokutan 0 74 65ms 11 days ago 139th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 139th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 139th edsrzf 🇳🇿 0 75 669ms 9 May 2025 139th Natanaelel 🇸🇪 0 75 20ms 11 May 2025 139th Seek64 🇩🇪 0 75 125ms 3 Jun 2025 139th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 139th albanian-laundromat 0 75 125ms 5 Jan 2026 139th albanian-laundromat 0 75 370ms 6 Jan 2026 139th GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 148th Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 148th edsrzf 🇳🇿 0 76 111ms 10 May 2025 148th ovs-code 🇩🇪 0 76 3ms 10 May 2025 148th AlephSquirrel 0 76 43ms 3 Dec 2025 148th AlephSquirrel 0 76 445ms 3 Dec 2025 153rd Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 153rd DialFrost 🇸🇬 0 77 19ms 8 May 2025 153rd edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 153rd Natanaelel 🇸🇪 0 77 3ms 11 May 2025 153rd lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 153rd addmai 0 77 20ms 24 Jul 2025 153rd hiichbindermax 0 77 19ms 17 Aug 2025 153rd 5cw 🇺🇸 0 77 18ms 22 Aug 2025 First Prev 81–160 of 251 Next Last