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 HumanoidCPU 625 133 169ms 26 days ago 482nd Shanethegamer 🇺🇸 623 94 394ms 13 Dec 2024 483rd UnderKoen 🇳🇱 623 139 1,143ms 25 days ago 484th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 485th IISResetMe 621 58 299ms 24 days ago 486th Shanethegamer 🇺🇸 619 114 1,432ms 9 May 2025 487th KatieLG 🇬🇧 616 82 424ms 19 days ago 488th brian124634 613 103 4ms 17 days ago 489th madex 🇩🇪 611 99 19ms 22 days ago 490th kasarino 607 104 3ms 25 days ago 491st scpchicken 🇵🇼 604 45 6ms 6 days ago 492nd tomh1012 604 97 426ms 26 days ago 493rd albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 494th janAkali 🇷🇺 603 99 401ms 19 days ago 495th michelebastione 🇮🇹 598 98 441ms 20 days ago 496th dokutan 597 54 37ms 9 days ago 497th Shanethegamer 🇺🇸 597 121 166ms 13 Dec 2024 498th madex 🇩🇪 593 119 1,394ms 22 days ago 499th jusaka 592 256 178ms 3 days ago 500th Solathian 591 46 77ms 24 days ago 501st dokutan 583 72 209ms 9 days ago 502nd madex 🇩🇪 570 129 366ms 23 days ago 503rd Mikey-Beep 🇬🇧 568 99 25ms 11 days ago 504th prestosilver 🇺🇸 568 105 381ms 18 days ago 505th JOrE20 563 100 46ms 15 Dec 2025 505th tails618 563 100 22ms 6 days ago 507th albanian-laundromat 🇺🇸 560 75 268ms 2 Mar 2026 508th Shanethegamer 🇺🇸 553 146 31ms 9 May 2025 509th dokutan 540 75 777ms 9 days ago 510th JDiLenarda 🇫🇷 539 131 1,475ms 25 days ago 511th jusaka 533 111 106ms 4 days ago 512th Shanethegamer 🇺🇸 523 50 4,001ms 8 May 2025 513th Arkadios200 523 146 2,407ms 10 days ago 514th madex 🇩🇪 517 100 118ms 22 days ago 515th dokutan 515 191 293ms 9 days ago 516th dcc5480 507 111 20ms 4 days ago 517th madex 🇩🇪 494 53 475ms 23 days ago 518th HumanoidCPU 488 120 389ms 20 days ago 519th madex 🇩🇪 475 170 33ms 22 days ago 520th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 521st Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 522nd AstroOrbis 446 126 32ms 12 Aug 2025 523rd jusaka 439 224 359ms 4 days ago 524th jusaka 433 107 2,247ms 4 days ago 525th Msleizak 🇫🇷 429 84 329ms 20 days ago 526th kasarino 425 170 46ms 7 days ago 527th madex 🇩🇪 420 78 91ms 22 days ago 528th jusaka 415 79 50ms 4 days ago 529th dokutan 414 163 470ms 9 days ago 530th jusaka 388 151 407ms 4 days ago 531st dokutan 385 152 431ms 9 days ago 532nd jusaka 373 179 119ms 4 days ago 533rd muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 534th jusaka 371 170 4ms 4 days ago 535th jusaka 367 197 148ms 4 days ago 536th jusaka 361 130 153ms 3 days ago 537th jusaka 357 189 186ms 4 days ago 538th jusaka 352 205 46ms 4 days ago 539th jusaka 346 165 140ms 4 days ago 540th jusaka 337 169 4ms 4 days ago 541st jusaka 335 117 1,598ms 4 days ago 542nd jusaka 325 203 120ms 4 days ago 543rd jusaka 322 100 52ms 4 days ago 544th jusaka 320 260 174ms 4 days ago 545th jusaka 312 176 8ms 4 days ago 546th jusaka 307 137 213ms 4 days ago 547th jusaka 303 198 187ms 4 days ago 548th Ripick 301 198 381ms 11 days ago 549th jusaka 299 270 28ms 4 days ago 550th dokutan 296 192 5ms 8 hours ago 551st jusaka 296 269 7ms 4 days ago 552nd jusaka 285 212 18ms 4 days ago 553rd jusaka 281 212 363ms 4 days ago 554th jusaka 276 142 6ms 3 days ago 555th jusaka 275 257 1,358ms 4 days ago 556th jusaka 271 278 19ms 3 days ago 557th jusaka 266 198 14ms 3 days ago 558th jusaka 266 328 30ms 4 days ago 559th jusaka 263 137 450ms 3 days ago 560th jusaka 262 197 121ms 4 days ago First Prev 481–560 of 623 Next Last