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 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 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 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 76th Shanethegamer 🇺🇸 0 65 261ms 13 Dec 2024 77th dokutan 0 66 417ms 18 Aug 2025 77th dokutan 0 66 17ms 18 Aug 2025 79th Shanethegamer 🇺🇸 0 67 108ms 7 May 2025 79th Shanethegamer 🇺🇸 0 67 372ms 7 May 2025 79th AdrienHache 🇫🇷 0 67 372ms 2 Nov 2025 79th namelessiw 0 67 364ms 2 Nov 2025 83rd 4atj 0 69 1,112ms 21 May 2025 84th btnlq 0 70 210ms 4 Dec 2024 84th error256 0 70 80ms 7 May 2025 84th kg583 🇺🇸 0 70 491ms 3 Oct 2025 84th kg583 🇺🇸 0 70 114ms 3 Oct 2025 84th kg583 🇺🇸 0 70 108ms 3 Oct 2025 89th edsrzf 🇳🇿 0 72 545ms 9 May 2025 89th kg583 🇺🇸 0 72 19ms 2 Oct 2025 91st rhdqor213 0 74 3ms 11 May 2025 91st saito-ta 🇯🇵 0 74 3ms 11 May 2025 93rd ovs-code 🇩🇪 0 75 17ms 23 Feb 2025 93rd Shanethegamer 🇺🇸 0 75 76ms 7 May 2025 93rd edsrzf 🇳🇿 0 75 681ms 9 May 2025 93rd error256 0 75 221ms 10 May 2025 93rd Natanaelel 🇸🇪 0 75 19ms 11 May 2025 93rd Seek64 🇩🇪 0 75 125ms 3 Jun 2025 93rd commandblockguy 🇺🇸 0 75 1,148ms 27 Aug 2025 100th Shanethegamer 🇺🇸 0 76 112ms 13 Dec 2024 100th sean-niemann 🇺🇸 0 76 104ms 9 May 2025 100th edsrzf 🇳🇿 0 76 106ms 10 May 2025 100th ovs-code 🇩🇪 0 76 4ms 10 May 2025 100th AlephSquirrel 0 76 44ms 9 hours ago 100th AlephSquirrel 0 76 407ms 9 hours ago 106th Shanethegamer 🇺🇸 0 77 20ms 13 Dec 2024 106th GolfingSuccess 🇬🇷 0 77 22ms 30 Dec 2024 106th DialFrost 🇸🇬 0 77 18ms 8 May 2025 106th edsrzf 🇳🇿 0 77 1,871ms 9 May 2025 106th Natanaelel 🇸🇪 0 77 4ms 11 May 2025 106th lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 106th addmai 0 77 18ms 24 Jul 2025 106th hiichbindermax 0 77 17ms 17 Aug 2025 106th 5cw 🇺🇸 0 77 16ms 22 Aug 2025 106th davecame 0 77 135ms 25 Sep 2025 106th SirBogman 🇺🇸 0 77 247ms 13 Oct 2025 106th jtaxen 0 77 19ms 16 Oct 2025 106th albanian-laundromat 0 77 27ms 7 days ago 119th jameswmccarty 0 78 18ms 29 Mar 2025 119th DialFrost 🇸🇬 0 78 790ms 10 May 2025 119th DialFrost 🇸🇬 0 78 3ms 10 May 2025 119th solisolu 0 78 19ms 22 days ago 123rd KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 124th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 125th Shanethegamer 🇺🇸 0 81 440ms 3 Jun 2025 126th bricknellj 0 82 17ms 30 Jan 2025 127th kg583 🇺🇸 0 83 344ms 2 Oct 2025 128th Shanethegamer 🇺🇸 0 85 13ms 13 Dec 2024 128th edsrzf 🇳🇿 0 85 1,375ms 25 May 2025 130th kg583 🇺🇸 0 86 25ms 2 Oct 2025 130th kg583 🇺🇸 0 86 441ms 3 Oct 2025 132nd sean-niemann 🇺🇸 0 87 47ms 9 May 2025 133rd edsrzf 🇳🇿 0 88 1,907ms 15 May 2025 133rd Upload-and-View 🇺🇦 0 88 74ms 2 Sep 2025 133rd solisolu 0 88 3ms 21 days ago 136th Shanethegamer 🇺🇸 0 89 96ms 13 Dec 2024 137th sean-niemann 🇺🇸 0 90 6ms 10 May 2025 137th rucin93 🇵🇱 0 90 7ms 10 May 2025 139th sean-niemann 🇺🇸 0 92 432ms 9 May 2025 139th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 141st Shanethegamer 🇺🇸 0 94 353ms 13 Dec 2024 141st edsrzf 🇳🇿 0 94 458ms 20 May 2025 143rd Natanaelel 🇸🇪 0 96 365ms 8 May 2025 143rd stefangimmillaro 0 96 21ms 10 May 2025 143rd Shanethegamer 🇺🇸 0 96 342ms 3 Jun 2025 146th edsrzf 🇳🇿 0 97 356ms 24 Sep 2025 146th error256 0 97 349ms 3 Oct 2025 148th error256 0 98 20ms 10 May 2025 148th kumavale 0 98 158ms 7 days ago 150th edsrzf 🇳🇿 0 99 497ms 9 May 2025 First Prev 76–150 of 177 Next Last