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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 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 Taxicab 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 75th dokutan 0 66 18ms 18 Aug 2025 77th Shanethegamer 🇺🇸 0 67 108ms 7 May 2025 77th Shanethegamer 🇺🇸 0 67 502ms 7 May 2025 77th AdrienHache 🇫🇷 0 67 372ms 2 Nov 2025 77th namelessiw 0 67 364ms 2 Nov 2025 81st 4atj 0 69 1,128ms 21 May 2025 82nd btnlq 0 70 185ms 4 Dec 2024 82nd error256 0 70 80ms 7 May 2025 82nd kg583 🇺🇸 0 70 481ms 3 Oct 2025 82nd kg583 🇺🇸 0 70 114ms 3 Oct 2025 82nd kg583 🇺🇸 0 70 108ms 3 Oct 2025 87th edsrzf 🇳🇿 0 72 545ms 9 May 2025 87th kg583 🇺🇸 0 72 19ms 2 Oct 2025 89th rhdqor213 0 74 3ms 11 May 2025 89th saito-ta 🇯🇵 0 74 3ms 11 May 2025 91st ovs-code 🇩🇪 0 75 20ms 23 Feb 2025 91st Shanethegamer 🇺🇸 0 75 76ms 7 May 2025 91st edsrzf 🇳🇿 0 75 681ms 9 May 2025 91st error256 0 75 159ms 10 May 2025 91st Natanaelel 🇸🇪 0 75 18ms 11 May 2025 91st Seek64 🇩🇪 0 75 115ms 3 Jun 2025 91st commandblockguy 🇺🇸 0 75 1,214ms 27 Aug 2025 98th Shanethegamer 🇺🇸 0 76 112ms 13 Dec 2024 98th sean-niemann 🇺🇸 0 76 104ms 9 May 2025 98th edsrzf 🇳🇿 0 76 106ms 10 May 2025 98th ovs-code 🇩🇪 0 76 4ms 10 May 2025 102nd Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 102nd GolfingSuccess 🇬🇷 0 77 17ms 30 Dec 2024 102nd DialFrost 🇸🇬 0 77 20ms 8 May 2025 102nd edsrzf 🇳🇿 0 77 1,846ms 9 May 2025 102nd Natanaelel 🇸🇪 0 77 4ms 11 May 2025 102nd lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 102nd addmai 0 77 18ms 24 Jul 2025 102nd hiichbindermax 0 77 21ms 17 Aug 2025 102nd 5cw 🇺🇸 0 77 17ms 22 Aug 2025 102nd davecame 0 77 138ms 25 Sep 2025 102nd SirBogman 🇺🇸 0 77 235ms 13 Oct 2025 102nd jtaxen 0 77 18ms 16 Oct 2025 102nd albanian-laundromat 0 77 16ms 5 days ago 115th AlephSquirrel 0 78 16ms 25 Nov 2024 115th jameswmccarty 0 78 18ms 29 Mar 2025 115th DialFrost 🇸🇬 0 78 790ms 10 May 2025 115th DialFrost 🇸🇬 0 78 3ms 10 May 2025 115th solisolu 0 78 18ms 20 days ago 120th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 121st Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 122nd Shanethegamer 🇺🇸 0 81 440ms 3 Jun 2025 123rd bricknellj 0 82 15ms 30 Jan 2025 124th kg583 🇺🇸 0 83 344ms 2 Oct 2025 125th Shanethegamer 🇺🇸 0 85 13ms 13 Dec 2024 125th edsrzf 🇳🇿 0 85 1,375ms 25 May 2025 127th kg583 🇺🇸 0 86 25ms 2 Oct 2025 127th kg583 🇺🇸 0 86 441ms 3 Oct 2025 129th sean-niemann 🇺🇸 0 87 47ms 9 May 2025 130th edsrzf 🇳🇿 0 88 2,148ms 15 May 2025 130th Upload-and-View 🇺🇦 0 88 74ms 2 Sep 2025 130th solisolu 0 88 3ms 19 days ago 133rd Shanethegamer 🇺🇸 0 89 96ms 13 Dec 2024 134th sean-niemann 🇺🇸 0 90 6ms 10 May 2025 134th rucin93 🇵🇱 0 90 7ms 10 May 2025 136th sean-niemann 🇺🇸 0 92 432ms 9 May 2025 136th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 138th Shanethegamer 🇺🇸 0 94 353ms 13 Dec 2024 138th edsrzf 🇳🇿 0 94 458ms 20 May 2025 140th Natanaelel 🇸🇪 0 96 365ms 8 May 2025 140th stefangimmillaro 0 96 22ms 10 May 2025 140th Shanethegamer 🇺🇸 0 96 342ms 3 Jun 2025 143rd edsrzf 🇳🇿 0 97 356ms 24 Sep 2025 143rd error256 0 97 349ms 3 Oct 2025 145th error256 0 98 20ms 10 May 2025 145th kumavale 0 98 158ms 4 days ago 147th edsrzf 🇳🇿 0 99 497ms 9 May 2025 147th Shanethegamer 🇺🇸 0 99 348ms 24 Sep 2025 149th edsrzf 🇳🇿 0 100 145ms 9 May 2025 149th edsrzf 🇳🇿 0 100 319ms 9 May 2025 First Prev 76–150 of 174 Next Last