The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Divisors in Swift 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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 1st JayXon 🇺🇸 1,000 64 138ms 15 Sep 2021 1st kaascevich 1,000 64 133ms 8 Jul 2025 1st sean-niemann 🇺🇸 1,000 64 130ms 6 Aug 2025 1st stefangimmillaro 1,000 64 131ms 8 Aug 2025 5th timvermeulen 970 66 96ms 19 Jan 2020 5th perfunction 970 66 107ms 27 Jan 2020 5th prplz 🇦🇺 970 66 103ms 5 Jul 2020 5th paulcirstean-yonder 🇷🇴 970 66 115ms 13 Oct 2020 5th jacky-tay 🇳🇿 970 66 102ms 17 May 2021 5th Lydxn 🇨🇦 970 66 105ms 19 Aug 2021 5th GrayJoKing 🇦🇺 970 66 102ms 12 Mar 2022 5th Steffan153 🇫🇮 970 66 107ms 24 Feb 2023 5th MeWhenI 🇻🇦 970 66 104ms 24 Feb 2023 5th ovs-code 🇩🇪 970 66 100ms 4 Oct 2023 5th Shanethegamer 🇺🇸 970 66 106ms 30 Oct 2023 16th primo-ppcg 🇹🇭 955 67 99ms 19 Jan 2020 16th jalone87 955 67 95ms 28 Jan 2020 16th nairda1705 955 67 106ms 14 Oct 2020 16th johnnythedoggie 955 67 95ms 24 Apr 2021 20th marksands 941 68 102ms 19 Jan 2020 20th SirBogman 🇺🇸 941 68 151ms 26 Jan 2020 20th shiles 941 68 107ms 18 Apr 2020 20th hansstefan 941 68 103ms 24 Sep 2022 20th fuzzylojik-golf 🇺🇸 941 68 130ms 27 Dec 2025 25th HumanoidCPU 901 71 102ms 14 Feb 2024 26th rowan-OzRunways 889 72 90ms 18 Aug 2020 26th cochrane 889 72 106ms 22 Mar 2024 26th The-Wolfson 889 72 98ms 22 Jan 2025 29th vaughad 877 73 97ms 19 Jan 2020 29th mtirado1 877 73 93ms 15 Aug 2022 31st phcacique 🇧🇷 865 74 92ms 5 Jan 2021 31st dokutan 865 74 93ms 23 Jul 2025 33rd pieromattos 853 75 109ms 19 Jan 2020 33rd cmdrsabre 853 75 101ms 7 Feb 2020 33rd cure-honey 🇯🇵 853 75 83ms 1 Jul 2021 33rd Yewzir 🇧🇪 853 75 86ms 17 May 2023 33rd snoozingnewt 🇨🇦 853 75 84ms 30 Sep 2025 38th ridingqwerty 🇺🇸 842 76 84ms 13 Jul 2022 38th Betuaredead 842 76 83ms 6 Jan 2023 40th msbranicky 831 77 85ms 13 Sep 2023 41st bwat2 821 78 81ms 31 Mar 2023 42nd StronkCheese 🇺🇸 810 79 87ms 18 Feb 2023 43rd petrusck 800 80 90ms 2 Oct 2021 44th DavidSkrundz 771 83 85ms 25 Jan 2020 44th Kenna-Blackburn 771 83 107ms 8 Jul 2025 46th KatieLG 🇬🇧 753 85 105ms 14 Jan 2023 47th steffan-polygolf 727 88 92ms 24 Feb 2023 47th MWI-polygolf 727 88 90ms 6 Dec 2023 49th jordanperry 703 91 90ms 18 Jan 2020 50th zolivier 542 118 3,789ms 8 Dec 2021 51st retrohun 54 1,180 69ms 27 Dec 2022 51st Mabeloid 🇳🇴 54 1,180 65ms 21 Sep 2024 51st CaedenHarper 🇨🇦 54 1,180 72ms 16 Aug 2025 54th KatieLG-Transpiler 🇬🇧 50 1,291 674ms 10 Jul 2022 1–54 of 54
