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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 526th jfallon1997 368 351 12ms 24 Aug 2022 527th guliyevemil1 🇦🇿 368 523 329ms 16 Apr 2020 528th TimCurwick 🇺🇸 365 313 197ms 28 Jul 2020 529th Natanaelel 🇸🇪 364 301 7ms 23 Jun 2023 530th TaserTheFox 🇺🇸 363 356 14ms 4 Apr 2023 530th vgamula 🇺🇦 363 356 12ms 8 Jul 2025 532nd dzshn 362 357 11ms 25 Nov 2020 532nd Pena86 362 357 11ms 31 Dec 2021 534th s-g-stavely 362 416 2ms 11 May 2021 535th aksyristos 360 359 10ms 12 Mar 2023 535th inverseLorentz 🇦🇺 360 359 10ms 11 Mar 2024 537th MaxCastella 🇫🇷 359 318 224ms 15 Mar 2024 538th Psirving 359 360 11ms 2 Aug 2020 538th fajost 359 360 18ms 8 Sep 2020 540th tomh1012 358 415 401ms 17 Sep 2025 541st leon-w 357 362 10ms 12 Jul 2019 541st TheAristos 357 362 10ms 30 Oct 2019 543rd dokutan 356 285 35ms 21 Apr 2025 544th tomh1012 355 342 11ms 20 Oct 2020 545th KatieLG 🇬🇧 355 345 825ms 27 Jul 2025 546th msbranicky 354 543 307ms 31 Aug 2023 547th wuminws 352 322 3,772ms 20 Feb 2025 548th McErer 351 346 10ms 14 Jan 2019 549th qwjhvbxi 351 368 11ms 12 Feb 2024 550th KatieLG 🇬🇧 351 424 416ms 24 Oct 2022 551st alexhuntley 349 444 8ms 11 Apr 2021 552nd omurakazuaki 🇯🇵 347 350 10ms 17 Feb 2021 553rd williamlake 346 527 137ms 17 Sep 2021 554th LordSir101 345 352 9ms 16 Aug 2025 555th Laksen 🇩🇰 343 562 28ms 8 Jul 2021 556th KatieLG 🇬🇧 342 355 15ms 4 Feb 2022 556th mrxz 🇳🇱 342 355 10ms 23 Jun 2024 558th RaBa21 🇭🇺 342 378 17ms 18 Jul 2025 559th febiw 341 379 9ms 22 Mar 2020 560th lukasmoellerch 340 357 11ms 15 Jul 2019 561st meenie 339 300 36ms 21 Jan 2023 562nd aaronze 🇦🇺 339 359 9ms 1 Apr 2021 563rd Lv0Sys 🇵🇱 339 381 17ms 10 Jun 2025 564th wrhm 339 382 11ms 15 Dec 2020 564th Babafaba 339 382 10ms 9 days ago 566th postie77 339 439 387ms 2 May 2023 567th madeforlosers 338 360 11ms 23 Oct 2024 568th 71c 338 383 10ms 29 Apr 2018 569th msbranicky 338 492 2ms 14 Oct 2023 570th SB-945 337 384 10ms 10 Mar 2024 571st SteveL-MSFT 335 341 263ms 10 Jun 2020 572nd KatieLG 🇬🇧 334 334 1,054ms 25 Apr 2021 573rd madex 🇩🇪 333 388 10ms 12 May 2024 574th arcage 🇯🇵 332 336 1,134ms 10 Aug 2021 575th bbakersmith 332 369 17ms 31 Jul 2021 576th FortuiteMan 🇫🇷 331 391 10ms 10 Sep 2023 577th msbranicky 330 392 10ms 3 Jul 2023 578th biinari 329 309 39ms 25 Mar 2018 579th pg98 329 369 9ms 5 Sep 2019 580th Babafaba 329 373 790ms 9 days ago 581st neihousaigaai 328 428 822ms 18 Apr 2021 582nd msbranicky 325 573 3ms 13 Aug 2023 583rd galloj 🇨🇿 324 338 3ms 17 Jan 2023 584th n1LS 323 314 44ms 2 Oct 2019 585th dijs 321 378 9ms 20 Dec 2019 585th SpareManiKatti 321 378 10ms 14 Oct 2021 587th Anonymousellama21 320 342 3ms 16 May 2022 588th GWStuart 318 407 11ms 27 Jan 2023 589th MeWhenI 🇻🇦 317 416 2ms 25 Aug 2023 590th dsntzn 🇸🇰 316 385 10ms 3 Mar 2021 591st codewrite 🇬🇧 315 411 10ms 12 Jul 2025 592nd alemelis 314 293 763ms 6 Aug 2024 593rd michelebastione 🇮🇹 314 412 10ms 21 Mar 2022 594th msbranicky 313 392 878ms 17 Jan 2024 595th brochmann 🇸🇪 311 416 10ms 9 Feb 2022 595th ThatAlo 311 416 9ms 12 Jun 2023 597th stordev 309 418 9ms 26 Feb 2021 598th Florian-Mt 309 419 11ms 28 Nov 2023 599th LucaArgentiUCF 🇮🇹 308 590 47ms 23 Jan 2021 600th Waffle3z 307 331 34ms 22 Jan 2021 First Prev 526–600 of 852 Next Last