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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 159th ovs-code 🇩🇪 0 76 3ms 10 May 2025 159th AlephSquirrel 0 76 43ms 3 Dec 2025 159th AlephSquirrel 0 76 445ms 3 Dec 2025 159th albanian-laundromat 0 76 18ms 18 days ago 159th albanian-laundromat 0 76 188ms 12 days ago 159th MeWhenI 🇻🇦 0 76 588ms 5 days ago 167th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 167th DialFrost 🇸🇬 0 77 19ms 8 May 2025 167th edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 167th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 167th addmai 0 77 20ms 24 Jul 2025 167th hiichbindermax 0 77 19ms 17 Aug 2025 167th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 167th davecame 0 77 150ms 25 Sep 2025 167th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 167th jtaxen 0 77 19ms 16 Oct 2025 167th albanian-laundromat 0 77 412ms 6 Dec 2025 167th Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 167th KasperKivimaeki 🇫🇮 0 77 564ms 5 days ago 180th jameswmccarty 0 78 20ms 29 Mar 2025 180th DialFrost 🇸🇬 0 78 940ms 10 May 2025 180th DialFrost 🇸🇬 0 78 3ms 10 May 2025 180th solisolu 0 78 20ms 10 Nov 2025 184th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 185th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 185th error256 0 80 466ms 16 Jan 2026 187th Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 188th bricknellj 0 82 17ms 30 Jan 2025 189th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 189th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 189th error256 0 83 430ms 12 Jan 2026 189th albanian-laundromat 0 83 9ms 26 Jan 2026 193rd Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 193rd edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 193rd albanian-laundromat 0 85 92ms 6 Dec 2025 193rd GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 197th kg583 🇺🇸 0 86 23ms 2 Oct 2025 197th GolfingSuccess 🇬🇷 0 86 2,109ms 12 days ago 199th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 199th error256 0 87 2,931ms 14 Jan 2026 199th IanUtley 0 87 2,957ms 16 Jan 2026 202nd edsrzf 🇳🇿 0 88 2,094ms 15 May 2025 202nd muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 202nd solisolu 0 88 3ms 11 Nov 2025 202nd albanian-laundromat 0 88 1,372ms 5 Jan 2026 206th Shanethegamer 🇺🇸 0 89 99ms 13 Dec 2024 206th GolfingSuccess 🇬🇷 0 89 65ms 12 Jan 2026 208th sean-niemann 🇺🇸 0 90 7ms 10 May 2025 209th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 209th error256 0 91 57ms 12 Jan 2026 209th error256 0 91 293ms 14 Jan 2026 209th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 213th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 214th Shanethegamer 🇺🇸 0 94 383ms 13 Dec 2024 214th edsrzf 🇳🇿 0 94 459ms 20 May 2025 216th albanian-laundromat 0 95 114ms 6 Jan 2026 217th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 217th stefangimmillaro 0 96 20ms 10 May 2025 217th Shanethegamer 🇺🇸 0 96 427ms 3 Jun 2025 217th albanian-laundromat 0 96 5ms 6 Dec 2025 217th MeWhenI 🇻🇦 0 96 399ms 5 days ago 222nd edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 222nd albanian-laundromat 0 97 44ms 6 Dec 2025 224th kumavale 0 98 155ms 26 Nov 2025 224th error256 0 98 156ms 16 Jan 2026 224th albanian-laundromat 0 98 135ms 25 days ago 227th edsrzf 🇳🇿 0 99 468ms 9 May 2025 227th Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 229th edsrzf 🇳🇿 0 100 145ms 9 May 2025 229th edsrzf 🇳🇿 0 100 307ms 9 May 2025 229th edsrzf 🇳🇿 0 100 16ms 9 May 2025 229th emgordon154 0 100 7ms 9 May 2025 229th JOrE20 0 100 42ms 15 Dec 2025 234th rucin93 🇵🇱 0 101 373ms 16 days ago 235th edsrzf 🇳🇿 0 102 440ms 16 Jun 2025 235th fantaize 0 102 148ms 10 days ago 237th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 238th kg583 🇺🇸 0 106 38ms 9 May 2025 239th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 239th AlephSquirrel 0 107 20ms 14 May 2025 First Prev 161–240 of 264 Next Last