Gray Code Decoder in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 1st 2bular 0 7 302ms 5 Jul 2025 1st Natanaelel 🇸🇪 0 7 315ms 5 Jul 2025 3rd kg583 🇺🇸 0 10 936ms 8 May 2025 4th 2bular 0 13 4ms 9 Dec 2024 4th ovs-code 🇩🇪 0 13 4ms 5 Jan 2025 4th Natanaelel 🇸🇪 0 13 4ms 8 May 2025 4th SirBogman 🇺🇸 0 13 4ms 12 Oct 2025 8th namelessiw 0 14 367ms 25 Oct 2025 9th saito-ta 🇯🇵 0 18 75ms 11 May 2025 10th pardouin 🇫🇷 0 20 72ms 25 Feb 2025 11th emgordon154 0 26 315ms 5 hours ago 12th 2bular 0 28 45ms 9 Oct 2025 12th SirBogman 🇺🇸 0 28 40ms 9 Oct 2025 14th GolfingSuccess 🇬🇷 0 29 97ms 25 Nov 2024 14th Natanaelel 🇸🇪 0 29 44ms 11 May 2025 14th ovs-code 🇩🇪 0 29 45ms 9 Oct 2025 17th ovs-code 🇩🇪 0 33 9ms 23 Feb 2025 17th Natanaelel 🇸🇪 0 33 134ms 8 May 2025 19th 4atj 0 35 282ms 21 May 2025 20th 4atj 0 36 251ms 21 May 2025 21st saito-ta 🇯🇵 0 37 9ms 11 May 2025 21st Natanaelel 🇸🇪 0 37 10ms 11 May 2025 23rd Natanaelel 🇸🇪 0 38 39ms 8 May 2025 24th error256 0 39 91ms 8 May 2025 25th stefangimmillaro 0 41 77ms 9 May 2025 26th Shanethegamer 🇺🇸 0 42 46ms 13 Dec 2024 26th MeWhenI 🇻🇦 0 42 1,012ms 15 Apr 2025 26th saito-ta 🇯🇵 0 42 360ms 10 May 2025 29th lyphyser 0 45 61ms 11 Feb 2025 29th error256 0 45 993ms 12 Apr 2025 31st kg583 🇺🇸 0 46 928ms 3 Oct 2025 31st bitsandbeyond 🇳🇱 0 46 1,114ms 20 Oct 2025 33rd DialFrost 🇸🇬 0 49 54ms 9 May 2025 33rd kg583 🇺🇸 0 49 14ms 3 Oct 2025 35th ovs-code 🇩🇪 0 50 326ms 23 Feb 2025 35th Shanethegamer 🇺🇸 0 50 3,285ms 8 May 2025 37th lukegustafson 🇺🇸 0 51 47ms 16 Jun 2025 38th Shanethegamer 🇺🇸 0 52 958ms 13 Dec 2024 38th antimon2 🇯🇵 0 52 328ms 16 Dec 2024 38th Shanethegamer 🇺🇸 0 52 167ms 20 May 2025 38th error256 0 52 3,759ms 26 Sep 2025 42nd ovs-code 🇩🇪 0 53 143ms 30 May 2025 42nd kg583 🇺🇸 0 53 12ms 2 Oct 2025 44th Shanethegamer 🇺🇸 0 54 39ms 13 Dec 2024 44th rucin93 🇵🇱 0 54 40ms 24 Feb 2025 44th error256 0 54 28ms 2 May 2025 44th sean-niemann 🇺🇸 0 54 39ms 8 May 2025 48th Natanaelel 🇸🇪 0 55 11ms 8 May 2025 49th kg583 🇺🇸 0 56 2,240ms 3 Oct 2025 50th edsrzf 🇳🇿 0 57 11ms 10 May 2025 51st kg583 🇺🇸 0 58 8ms 2 Oct 2025 52nd kg583 🇺🇸 0 60 531ms 1 Dec 2024 52nd ovs-code 🇩🇪 0 60 418ms 23 Feb 2025 52nd emgordon154 0 60 285ms 9 May 2025 55th DialFrost 🇸🇬 0 61 31ms 24 Feb 2025 56th Andrey-Plotnikov 0 62 35ms 12 Jan 2025 56th pardouin 🇫🇷 0 62 587ms 24 Feb 2025 56th sean-niemann 🇺🇸 0 62 157ms 19 May 2025 56th XenThe 🇬🇧 0 62 11ms 15 Jul 2025 60th Shanethegamer 🇺🇸 0 63 168ms 7 May 2025 60th sean-niemann 🇺🇸 0 63 6ms 9 May 2025 60th rucin93 🇵🇱 0 63 6ms 10 May 2025 60th edsrzf 🇳🇿 0 63 5ms 10 May 2025 60th targrik 0 63 6ms 8 Oct 2025 65th Shanethegamer 🇺🇸 0 67 108ms 7 May 2025 65th Shanethegamer 🇺🇸 0 67 502ms 7 May 2025 65th emgordon154 0 67 435ms 9 May 2025 65th AdrienHache 🇫🇷 0 67 372ms 20 days ago 65th namelessiw 0 67 364ms 20 days ago 70th lifthrasiir 🇰🇷 0 68 495ms 11 Dec 2024 70th Shanethegamer 🇺🇸 0 68 261ms 13 Dec 2024 72nd khvdm 0 69 147ms 13 Jan 2025 72nd 4atj 0 69 1,128ms 21 May 2025 74th btnlq 0 70 185ms 4 Dec 2024 74th error256 0 70 80ms 7 May 2025 1–75 of 174 Next Last
