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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 156th edsrzf 🇳🇿 0 63 6ms 10 May 2025 156th targrik 0 63 7ms 8 Oct 2025 156th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 156th fuzzylojik-golf 🇺🇸 0 63 142ms 6 days ago 156th plcc0 0 63 20ms 4 days ago 156th plcc0 0 63 382ms 3 days ago 156th ndren 0 63 21ms 3 days ago 156th CornerMercury 🇬🇧 0 63 420ms 2 days ago 156th CornerMercury 🇬🇧 0 63 21ms 2 days ago 156th emgordon154 0 63 6ms 14 hours ago 156th Steffan153 🇫🇮 0 63 7ms 9 hours ago 172nd lifthrasiir 🇰🇷 0 64 182ms 11 Dec 2024 172nd emgordon154 0 64 19ms 9 May 2025 172nd error256 0 64 4,375ms 15 Jan 2026 172nd anter69 🇭🇺 0 64 19ms 4 Feb 2026 172nd albanian-laundromat 0 64 18ms 22 Feb 2026 172nd albanian-laundromat 0 64 547ms 23 Feb 2026 172nd HumanoidCPU 0 64 256ms 5 days ago 179th Shanethegamer 🇺🇸 0 65 257ms 13 Dec 2024 179th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 179th dokutan 0 65 359ms 14 Feb 2026 182nd dokutan 0 66 19ms 18 Aug 2025 182nd Yax42 🇫🇷 0 66 470ms 6 Jan 2026 182nd AdrienHache 🇫🇷 0 66 430ms 6 Jan 2026 182nd GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 182nd edsrzf 🇳🇿 0 66 11ms 5 days ago 182nd Steffan153 🇫🇮 0 66 10ms 4 days ago 188th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 188th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 188th namelessiw 0 67 407ms 2 Nov 2025 188th error256 0 67 111ms 30 Jan 2026 188th CaedenHarper 🇨🇦 0 67 553ms 8 days ago 188th fuzzylojik-golf 🇺🇸 0 67 490ms 6 days ago 188th madex 🇩🇪 0 67 9ms 3 days ago 188th emplv 🇱🇻 0 67 6ms 43 hours ago 196th Yax42 🇫🇷 0 68 16ms 5 days ago 197th 4atj 0 69 1,159ms 21 May 2025 197th GolfingSuccess 🇬🇷 0 69 447ms 14 Jan 2026 197th error256 0 69 410ms 7 days ago 197th edsrzf 🇳🇿 0 69 394ms 5 days ago 201st btnlq 0 70 193ms 4 Dec 2024 201st error256 0 70 133ms 15 Jan 2026 201st error256 0 70 18ms 16 days ago 201st DialFrost 🇸🇬 0 70 116ms 3 days ago 201st madex 🇩🇪 0 70 485ms 34 hours ago 206th GolfingSuccess 🇬🇷 0 71 4ms 12 Jan 2026 206th GolfingSuccess 🇬🇷 0 71 24ms 12 Jan 2026 206th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 206th ovs-code 🇩🇪 0 71 134ms 5 days ago 206th edsrzf 🇳🇿 0 71 18ms 5 days ago 206th kg583 🇺🇸 0 71 18ms 5 days ago 206th rhdqor213 0 71 4ms 5 days ago 206th ovs-code 🇩🇪 0 71 129ms 3 days ago 206th Steffan153 🇫🇮 0 71 17ms 3 hours ago 215th rucin93 🇵🇱 0 72 9ms 22 days ago 215th aksyristos 0 72 247ms 18 days ago 215th blaztoma 🇱🇹 0 72 123ms 5 days ago 215th Emutis 🇱🇹 0 72 121ms 5 days ago 215th KasperKivimaeki 🇫🇮 0 72 4ms 5 days ago 215th edsrzf 🇳🇿 0 72 9ms 4 days ago 215th zacjl 0 72 131ms 4 days ago 215th Steffan153 🇫🇮 0 72 3ms 3 days ago 215th Steffan153 🇫🇮 0 72 9ms 3 hours ago 224th saito-ta 🇯🇵 0 74 3ms 11 May 2025 224th error256 0 74 3ms 12 Jan 2026 224th dokutan 0 74 65ms 8 Feb 2026 224th lukegustafson 🇺🇸 0 74 189ms 21 days ago 224th albanian-laundromat 0 74 9ms 13 days ago 229th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 229th Natanaelel 🇸🇪 0 75 19ms 11 May 2025 229th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 229th albanian-laundromat 0 75 108ms 5 Jan 2026 229th albanian-laundromat 0 75 455ms 6 Jan 2026 229th GolfingSuccess 🇬🇷 0 75 19ms 11 Jan 2026 229th albanian-laundromat 0 75 238ms 27 days ago 229th madex 🇩🇪 0 75 34ms 11 days ago 229th CaedenHarper 🇨🇦 0 75 149ms 8 days ago 229th Yax42 🇫🇷 0 75 4ms 5 days ago 229th edsrzf 🇳🇿 0 75 17ms 5 days ago 229th zgialor-lab 0 75 25ms 4 days ago First Prev 161–240 of 414 Next Last