Gray Code Decoder in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 Bytes Time Submitted 481st JOrE20 645 100 46ms 15 Dec 2025 481st tails618 645 100 22ms 8 days ago 483rd Yax42 🇫🇷 635 68 12ms 24 Mar 2026 484th jusaka 634 116 413ms 6 days ago 485th GolfingSuccess 🇬🇷 632 137 91ms 26 days ago 486th madex 🇩🇪 631 87 12ms 25 days ago 487th Shanethegamer 🇺🇸 630 68 254ms 13 Dec 2024 488th HumanoidCPU 625 133 169ms 25 Mar 2026 489th Shanethegamer 🇺🇸 623 94 394ms 13 Dec 2024 490th UnderKoen 🇳🇱 623 139 1,143ms 27 days ago 491st Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 492nd IISResetMe 621 58 299ms 26 days ago 493rd Shanethegamer 🇺🇸 619 114 1,432ms 9 May 2025 494th brian124634 613 103 4ms 19 days ago 495th madex 🇩🇪 611 99 18ms 24 days ago 496th kasarino 607 104 3ms 27 days ago 497th scpchicken 🇵🇼 604 45 6ms 8 days ago 498th tomh1012 604 97 426ms 24 Mar 2026 499th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 500th janAkali 🇷🇺 603 99 401ms 20 days ago 501st michelebastione 🇮🇹 598 98 441ms 22 days ago 502nd dokutan 597 54 63ms 11 days ago 503rd duckyluuk 🇳🇱 597 70 113ms 10 hours ago 504th Shanethegamer 🇺🇸 597 121 166ms 13 Dec 2024 505th madex 🇩🇪 593 119 1,394ms 24 days ago 506th jusaka 592 256 178ms 5 days ago 507th Solathian 591 46 77ms 26 days ago 508th dcc5480 581 111 20ms 6 days ago 509th albanian-laundromat 🇺🇸 571 75 268ms 2 Mar 2026 509th dokutan 571 75 209ms 11 days ago 511th madex 🇩🇪 570 129 366ms 25 days ago 512th prestosilver 🇺🇸 568 105 381ms 20 days ago 513th Shanethegamer 🇺🇸 553 146 31ms 9 May 2025 514th dokutan 540 75 777ms 11 days ago 515th JDiLenarda 🇫🇷 539 131 1,475ms 27 days ago 516th jusaka 533 111 106ms 6 days ago 517th Shanethegamer 🇺🇸 525 50 4,001ms 8 May 2025 518th Arkadios200 523 146 2,994ms 12 days ago 519th madex 🇩🇪 517 100 118ms 24 days ago 520th dokutan 515 191 293ms 11 days ago 521st AstroOrbis 512 126 32ms 12 Aug 2025 522nd madex 🇩🇪 495 53 475ms 25 days ago 523rd HumanoidCPU 488 120 389ms 22 days ago 524th madex 🇩🇪 475 170 33ms 24 days ago 525th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 526th Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 527th jusaka 439 224 359ms 6 days ago 528th jusaka 433 107 2,247ms 6 days ago 529th Msleizak 🇫🇷 429 84 329ms 22 days ago 530th kasarino 425 170 46ms 9 days ago 531st madex 🇩🇪 420 78 91ms 24 days ago 532nd jusaka 415 79 50ms 6 days ago 533rd dokutan 414 163 470ms 11 days ago 534th jusaka 393 130 153ms 5 days ago 535th jusaka 388 151 407ms 6 days ago 536th dokutan 385 152 431ms 11 days ago 537th jusaka 373 179 119ms 6 days ago 538th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 539th jusaka 371 170 4ms 6 days ago 540th jusaka 367 197 148ms 6 days ago 541st jusaka 357 189 186ms 6 days ago 542nd jusaka 352 205 46ms 6 days ago 543rd jusaka 346 165 121ms 6 days ago 544th jusaka 337 169 4ms 6 days ago 545th jusaka 335 117 1,598ms 6 days ago 546th jusaka 325 203 120ms 6 days ago 547th jusaka 322 100 41ms 6 days ago 548th jusaka 320 260 174ms 6 days ago 549th jusaka 312 176 8ms 6 days ago 550th jusaka 308 139 213ms 6 days ago 551st jusaka 303 198 187ms 6 days ago 552nd Ripick 301 198 381ms 13 days ago 553rd jusaka 299 270 28ms 6 days ago 554th jusaka 296 269 7ms 6 days ago 555th jusaka 285 212 18ms 6 days ago 556th jusaka 281 212 363ms 6 days ago 557th jusaka 276 142 6ms 5 days ago 558th jusaka 276 210 528ms 6 days ago 559th jusaka 275 257 1,358ms 6 days ago 560th jusaka 271 278 19ms 5 days ago First Prev 481–560 of 628 Next Last