Morse Decoder in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 526th guliyevemil1 🇦🇿 367 523 329ms 16 Apr 2020 527th TimCurwick 🇺🇸 365 313 197ms 28 Jul 2020 528th Natanaelel 🇸🇪 364 301 7ms 23 Jun 2023 529th TaserTheFox 🇺🇸 363 356 14ms 4 Apr 2023 529th vgamula 🇺🇦 363 356 12ms 8 Jul 2025 531st dzshn 362 357 11ms 25 Nov 2020 531st Pena86 362 357 11ms 31 Dec 2021 533rd s-g-stavely 362 416 2ms 11 May 2021 534th aksyristos 360 359 10ms 12 Mar 2023 534th inverseLorentz 🇦🇺 360 359 10ms 11 Mar 2024 536th MaxCastella 🇫🇷 359 318 224ms 15 Mar 2024 537th Psirving 359 360 11ms 2 Aug 2020 537th fajost 359 360 18ms 8 Sep 2020 539th tomh1012 358 415 401ms 17 Sep 2025 540th leon-w 357 362 10ms 12 Jul 2019 540th TheAristos 357 362 10ms 30 Oct 2019 542nd dokutan 356 285 35ms 21 Apr 2025 543rd tomh1012 355 342 11ms 20 Oct 2020 544th KatieLG 🇬🇧 355 345 825ms 27 Jul 2025 545th msbranicky 354 543 307ms 31 Aug 2023 546th wuminws 352 322 3,767ms 20 Feb 2025 547th McErer 351 346 10ms 14 Jan 2019 548th qwjhvbxi 351 368 11ms 12 Feb 2024 549th KatieLG 🇬🇧 351 424 416ms 24 Oct 2022 550th alexhuntley 349 444 8ms 11 Apr 2021 551st omurakazuaki 🇯🇵 347 350 10ms 17 Feb 2021 552nd williamlake 346 527 137ms 17 Sep 2021 553rd LordSir101 345 352 9ms 16 Aug 2025 554th Laksen 🇩🇰 343 562 28ms 8 Jul 2021 555th KatieLG 🇬🇧 342 355 15ms 4 Feb 2022 555th mrxz 🇳🇱 342 355 10ms 23 Jun 2024 557th RaBa21 🇭🇺 342 378 17ms 18 Jul 2025 558th febiw 341 379 9ms 22 Mar 2020 559th lukasmoellerch 340 357 11ms 15 Jul 2019 560th meenie 339 300 36ms 21 Jan 2023 561st aaronze 🇦🇺 339 359 9ms 1 Apr 2021 562nd Lv0Sys 🇵🇱 339 381 17ms 10 Jun 2025 563rd wrhm 339 382 11ms 15 Dec 2020 564th postie77 339 439 387ms 2 May 2023 565th madeforlosers 338 360 11ms 23 Oct 2024 566th 71c 338 383 10ms 29 Apr 2018 567th msbranicky 338 492 2ms 14 Oct 2023 568th SB-945 337 384 10ms 10 Mar 2024 569th SteveL-MSFT 335 341 263ms 10 Jun 2020 570th KatieLG 🇬🇧 334 334 1,054ms 25 Apr 2021 571st madex 🇩🇪 333 388 10ms 12 May 2024 572nd arcage 🇯🇵 332 336 1,134ms 10 Aug 2021 573rd bbakersmith 332 369 17ms 31 Jul 2021 574th FortuiteMan 🇫🇷 331 391 10ms 10 Sep 2023 575th msbranicky 330 392 10ms 3 Jul 2023 576th biinari 329 309 39ms 25 Mar 2018 577th pg98 329 369 9ms 5 Sep 2019 578th neihousaigaai 328 428 450ms 18 Apr 2021 579th msbranicky 325 573 3ms 13 Aug 2023 580th galloj 🇨🇿 324 338 3ms 17 Jan 2023 581st n1LS 323 314 44ms 2 Oct 2019 582nd dijs 321 378 9ms 20 Dec 2019 582nd SpareManiKatti 321 378 10ms 14 Oct 2021 584th Anonymousellama21 320 342 3ms 16 May 2022 585th GWStuart 318 407 11ms 27 Jan 2023 586th MeWhenI 🇻🇦 317 416 2ms 25 Aug 2023 587th dsntzn 🇸🇰 316 385 10ms 3 Mar 2021 588th codewrite 🇬🇧 315 411 10ms 12 Jul 2025 589th alemelis 314 293 763ms 6 Aug 2024 590th michelebastione 🇮🇹 314 412 10ms 21 Mar 2022 591st msbranicky 313 392 878ms 17 Jan 2024 592nd brochmann 🇸🇪 311 416 10ms 9 Feb 2022 592nd ThatAlo 311 416 9ms 12 Jun 2023 594th stordev 309 418 9ms 26 Feb 2021 595th Florian-Mt 309 419 11ms 28 Nov 2023 596th LucaArgentiUCF 🇮🇹 308 590 47ms 23 Jan 2021 597th Waffle3z 307 331 34ms 22 Jan 2021 598th acollett89 307 396 11ms 5 Aug 2025 599th CornerMercury 🇬🇧 306 422 23ms 15 Feb 2025 600th MaxElf999 306 423 10ms 24 May 2022 First Prev 526–600 of 848 Next Last