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 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 Chars Time Submitted 481st Yax42 🇫🇷 635 68 12ms 24 Mar 2026 482nd jusaka 634 116 413ms 7 days ago 483rd GolfingSuccess 🇬🇷 632 137 91ms 26 Mar 2026 484th madex 🇩🇪 631 87 12ms 27 days ago 485th HumanoidCPU 625 133 169ms 25 Mar 2026 486th Shanethegamer 🇺🇸 623 94 427ms 13 Dec 2024 487th UnderKoen 🇳🇱 623 139 1,143ms 25 Mar 2026 488th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 489th IISResetMe 621 58 294ms 27 days ago 490th Shanethegamer 🇺🇸 619 114 1,432ms 9 May 2025 491st KatieLG 🇬🇧 616 82 424ms 22 days ago 492nd brian124634 614 103 4ms 21 days ago 493rd madex 🇩🇪 611 99 18ms 25 days ago 494th kasarino 608 104 3ms 25 Mar 2026 495th duckyluuk 🇳🇱 606 69 114ms 23 hours ago 496th scpchicken 🇵🇼 604 45 6ms 9 days ago 497th tomh1012 604 97 426ms 24 Mar 2026 498th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 499th janAkali 🇷🇺 603 99 401ms 22 days ago 500th michelebastione 🇮🇹 598 98 441ms 23 days ago 501st dokutan 597 54 63ms 12 days ago 502nd Shanethegamer 🇺🇸 597 121 166ms 13 Dec 2024 503rd madex 🇩🇪 593 119 1,464ms 25 days ago 504th jusaka 592 256 178ms 6 days ago 505th Solathian 591 46 77ms 27 days ago 506th dokutan 583 72 209ms 12 days ago 507th madex 🇩🇪 570 129 366ms 27 days ago 508th Mikey-Beep 🇬🇧 568 99 25ms 14 days ago 509th prestosilver 🇺🇸 568 105 381ms 21 days ago 510th JOrE20 563 100 46ms 15 Dec 2025 510th tails618 563 100 22ms 10 days ago 512th albanian-laundromat 🇺🇸 560 75 268ms 2 Mar 2026 513th Shanethegamer 🇺🇸 553 146 31ms 9 May 2025 514th dokutan 540 75 777ms 12 days ago 515th JDiLenarda 🇫🇷 539 131 1,562ms 25 Mar 2026 516th jusaka 533 111 106ms 7 days ago 517th Shanethegamer 🇺🇸 525 50 4,001ms 8 May 2025 518th Arkadios200 523 146 2,994ms 13 days ago 519th madex 🇩🇪 517 100 118ms 25 days ago 520th dokutan 515 191 293ms 12 days ago 521st dcc5480 507 111 20ms 8 days ago 522nd madex 🇩🇪 495 53 475ms 27 days ago 523rd HumanoidCPU 488 120 389ms 24 days ago 524th madex 🇩🇪 475 170 33ms 25 days ago 525th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 526th Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 527th AstroOrbis 446 126 32ms 12 Aug 2025 528th jusaka 439 224 359ms 7 days ago 529th jusaka 433 107 2,247ms 7 days ago 530th Msleizak 🇫🇷 429 84 339ms 23 days ago 531st kasarino 425 170 46ms 10 days ago 532nd madex 🇩🇪 420 78 91ms 25 days ago 533rd jusaka 415 79 50ms 7 days ago 534th dokutan 414 163 470ms 12 days ago 535th jusaka 388 151 420ms 7 days ago 536th dokutan 385 152 448ms 12 days ago 537th jusaka 373 179 119ms 7 days ago 538th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 539th jusaka 372 170 4ms 7 days ago 540th jusaka 367 197 148ms 7 days ago 541st jusaka 361 130 153ms 7 days ago 542nd jusaka 357 189 186ms 7 days ago 543rd jusaka 352 205 46ms 7 days ago 544th jusaka 346 165 121ms 7 days ago 545th jusaka 337 169 4ms 7 days ago 546th jusaka 335 117 1,598ms 7 days ago 547th jusaka 325 203 120ms 7 days ago 548th jusaka 322 100 41ms 7 days ago 549th jusaka 320 260 174ms 7 days ago 550th jusaka 312 176 8ms 7 days ago 551st jusaka 307 137 213ms 7 days ago 552nd jusaka 303 198 187ms 7 days ago 553rd Ripick 301 198 381ms 14 days ago 554th jusaka 299 270 28ms 7 days ago 555th dokutan 296 192 5ms 3 days ago 556th jusaka 296 269 7ms 7 days ago 557th jusaka 285 212 18ms 7 days ago 558th jusaka 281 212 363ms 7 days ago 559th jusaka 276 142 6ms 6 days ago 560th jusaka 275 257 1,358ms 7 days ago First Prev 481–560 of 628 Next Last