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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 301st GolfingSuccess 🇬🇷 790 83 114ms 12 Jan 2026 302nd madex 🇩🇪 790 124 333ms 28 Mar 2026 303rd solisolu 789 80 4ms 24 days ago 304th albanian-laundromat 🇺🇸 789 83 9ms 26 Jan 2026 305th Yax42 🇫🇷 789 93 418ms 24 Mar 2026 305th MeWhenI 🇻🇦 789 93 429ms 31 Mar 2026 307th DialFrost 🇸🇬 789 185 1,678ms 15 days ago 308th albanian-laundromat 🇺🇸 788 74 10ms 17 Mar 2026 309th albanian-laundromat 🇺🇸 788 207 1,219ms 6 Jan 2026 310th aksyristos 786 41 110ms 18 Mar 2026 310th emgordon154 786 41 40ms 27 days ago 310th nwellnhof 🇩🇪 786 41 79ms 25 days ago 313th DialFrost 🇸🇬 786 55 40ms 26 Mar 2026 314th emgordon154 785 186 1,669ms 14 days ago 315th CaedenHarper 🇨🇦 783 22 95ms 26 Mar 2026 315th vang1ong7ang 🇦🇶 783 22 67ms 5 days ago 317th MeWhenI 🇻🇦 783 50 7ms 25 Mar 2026 318th albanian-laundromat 🇺🇸 783 76 188ms 9 Mar 2026 318th MeWhenI 🇻🇦 783 76 188ms 25 Mar 2026 320th edsrzf 🇳🇿 782 50 1,619ms 26 Mar 2026 320th madex 🇩🇪 782 50 1,719ms 26 Mar 2026 322nd albanian-laundromat 🇺🇸 782 85 100ms 6 Dec 2025 323rd aksyristos 781 72 278ms 12 Mar 2026 323rd blaztoma 🇱🇹 781 72 158ms 24 Mar 2026 323rd Emutis 🇱🇹 781 72 130ms 24 Mar 2026 323rd zacjl 781 72 137ms 26 Mar 2026 323rd bizy-coder 781 72 129ms 2 Apr 2026 328th emgordon154 780 94 490ms 24 days ago 329th albanian-laundromat 🇺🇸 779 75 455ms 6 Jan 2026 330th Alex-x90 🇺🇸 779 81 4ms 12 days ago 331st kg583 🇺🇸 779 106 40ms 9 May 2025 332nd CaedenHarper 🇨🇦 772 56 13ms 24 Mar 2026 332nd MeWhenI 🇻🇦 772 56 12ms 26 Mar 2026 332nd madex 🇩🇪 772 56 13ms 26 Mar 2026 332nd edsrzf 🇳🇿 772 56 36ms 1 Apr 2026 332nd stefangimmillaro 772 56 14ms 26 days ago 337th canissimia 🇦🇶 772 145 14ms 27 Mar 2026 338th Shanethegamer 🇺🇸 767 42 41ms 13 Dec 2024 338th anter69 🇭🇺 767 42 195ms 4 Feb 2026 338th madex 🇩🇪 767 42 40ms 26 Mar 2026 338th GolfingSuccess 🇬🇷 767 42 189ms 1 Apr 2026 342nd error256 767 67 119ms 30 Jan 2026 343rd albanian-laundromat 🇺🇸 767 192 201ms 27 Mar 2026 344th CLOStrophobic 🇮🇹 765 108 47ms 17 Feb 2025 345th madex 🇩🇪 764 70 485ms 28 Mar 2026 346th CaedenHarper 🇨🇦 764 96 465ms 24 Mar 2026 347th emgordon154 764 113 96ms 1 Apr 2026 348th albanian-laundromat 🇺🇸 763 47 1,083ms 5 Jan 2026 349th albanian-laundromat 🇺🇸 762 265 68ms 8 Dec 2025 350th albanian-laundromat 🇺🇸 761 53 806ms 6 Dec 2025 351st MeWhenI 🇻🇦 761 286 230ms 25 Mar 2026 352nd lukegustafson 🇺🇸 760 74 194ms 9 Mar 2026 353rd DialFrost 🇸🇬 756 97 456ms 30 Mar 2026 353rd Jacob385 756 97 371ms 18 days ago 355th Steffan153 🇫🇮 753 114 54ms 1 Apr 2026 356th 4atj 752 36 228ms 21 May 2025 357th Shanethegamer 🇺🇸 752 52 1,284ms 13 Dec 2024 358th Shanethegamer 🇺🇸 752 67 408ms 7 May 2025 358th CaedenHarper 🇨🇦 752 67 565ms 21 Mar 2026 358th fuzzylojik-golf 🇺🇸 752 67 481ms 24 Mar 2026 358th MeWhenI 🇻🇦 752 67 1,038ms 1 Apr 2026 358th duckyluuk 🇳🇱 752 67 482ms 15 days ago 363rd Natanaelel 🇸🇪 750 75 20ms 11 May 2025 363rd commandz0 🇺🇸 750 75 1,254ms 27 Aug 2025 363rd GolfingSuccess 🇬🇷 750 75 18ms 11 Jan 2026 363rd madex 🇩🇪 750 75 26ms 18 Mar 2026 363rd CaedenHarper 🇨🇦 750 75 158ms 21 Mar 2026 363rd edsrzf 🇳🇿 750 75 18ms 25 Mar 2026 363rd zgialor-lab 750 75 24ms 25 Mar 2026 363rd DialFrost 🇸🇬 750 75 28ms 29 Mar 2026 363rd sean-niemann 🇺🇸 750 75 181ms 30 Mar 2026 363rd stefangimmillaro 750 75 26ms 26 days ago 363rd FortuiteMan 🇫🇷 750 75 23ms 22 days ago 363rd vang1ong7ang 🇦🇶 750 75 19ms 5 days ago 375th Lv0Sys 🇵🇱 749 43 41ms 26 Mar 2026 376th Shanethegamer 🇺🇸 747 89 106ms 13 Dec 2024 377th Shanethegamer 🇺🇸 742 63 178ms 7 May 2025 378th albanian-laundromat 🇺🇸 742 108 31ms 5 Jan 2026 379th Shanethegamer 🇺🇸 741 99 509ms 24 Sep 2025 380th AlephSquirrel 740 76 38ms 3 Dec 2025 380th MeWhenI 🇻🇦 740 76 605ms 16 Mar 2026 380th duckyluuk 🇳🇱 740 76 117ms 26 Mar 2026 383rd GolfingSuccess 🇬🇷 737 112 44ms 24 Jan 2026 384th albanian-laundromat 🇺🇸 736 97 46ms 6 Dec 2025 385th Shanethegamer 🇺🇸 735 81 339ms 3 Jun 2025 386th aksyristos 733 59 16ms 30 Mar 2026 386th acollett89 733 59 14ms 30 Mar 2026 388th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 389th h3ra993huskp 🇯🇵 733 100 436ms 29 Mar 2026 389th kmathis22 733 100 552ms 30 Mar 2026 391st Natanaelel 🇸🇪 732 37 10ms 11 May 2025 392nd Shanethegamer 🇺🇸 731 77 18ms 13 Dec 2024 392nd addmai 731 77 20ms 24 Jul 2025 392nd hiichbindermax 731 77 18ms 17 Aug 2025 392nd 5cw 🇺🇸 731 77 20ms 22 Aug 2025 392nd davecame 731 77 142ms 25 Sep 2025 392nd SirBogman 🇺🇸 731 77 244ms 13 Oct 2025 392nd jtaxen 731 77 27ms 16 Oct 2025 392nd Matter1024 🇮🇳 731 77 19ms 12 Feb 2026 392nd KasperKivimaeki 🇫🇮 731 77 589ms 16 Mar 2026 First Prev 301–400 of 573 Next Last