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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 601st stordev 309 418 9ms 26 Feb 2021 602nd Florian-Mt 309 419 11ms 28 Nov 2023 603rd LucaArgentiUCF 🇮🇹 308 590 47ms 23 Jan 2021 604th Waffle3z 307 331 34ms 22 Jan 2021 605th acollett89 307 396 10ms 5 Aug 2025 606th MaxElf999 306 423 10ms 24 May 2022 607th Stockoh 🇫🇷 304 426 10ms 17 Oct 2024 608th rambox11 303 401 10ms 6 Dec 2019 609th Agazoth 302 378 216ms 12 Jun 2020 610th markbyrne 301 429 10ms 26 Oct 2020 610th haydenridd 301 429 13ms 26 Oct 2020 612th mintypython 300 405 11ms 19 Oct 2018 613th Yewzir 🇧🇪 299 442 12ms 26 Dec 2024 614th ereztaiar 🇮🇱 296 410 11ms 11 Sep 2021 615th zakariamouhid 296 411 10ms 2 Aug 2023 616th ethandhunt 295 439 10ms 21 Jul 2021 617th TheEric0802 🇩🇪 295 583 4ms 22 Sep 2023 618th dokutan 294 510 4ms 9 Dec 2024 619th rollershutter 293 442 13ms 25 May 2024 620th adoxography 292 348 54ms 1 Jun 2018 621st JoeBigToe 292 392 266ms 5 Jun 2020 622nd joonaspu 292 443 14ms 14 Jun 2023 623rd MeWhenI 🇻🇦 291 1,326 37ms 28 Aug 2023 624th madex 🇩🇪 290 350 50ms 13 May 2024 625th sergeyz7 🇬🇧 290 394 209ms 15 Nov 2020 626th martinnorling 🇸🇪 290 446 10ms 20 Jun 2022 626th CutSandstone 290 446 10ms 5 Jul 2024 628th olligobber 🇦🇺 289 631 147ms 22 May 2020 629th dokutan 289 873 2ms 9 Dec 2024 630th evanrittner 284 456 13ms 26 Feb 2021 631st ques0942 282 459 10ms 2 Oct 2019 632nd Dazza314 🇬🇧 281 460 11ms 4 Nov 2020 633rd bsoyka 🇺🇸 281 461 11ms 9 Jan 2022 634th lowlighter 280 434 9ms 1 Nov 2020 635th guliyevemil1 🇦🇿 278 466 12ms 16 Apr 2020 636th lahell 277 413 260ms 2 Jul 2020 637th mossiegoat 277 467 11ms 28 Sep 2025 638th schachmattmatt 276 469 10ms 20 Aug 2021 639th KevinMarquette 🇺🇸 275 416 225ms 7 Jun 2020 640th frederikb 275 510 349ms 9 Sep 2020 641st 007lock 275 700 261ms 11 May 2020 642nd june410 🇨🇦 274 472 18ms 5 Jun 2024 643rd boxjelly 272 374 36ms 12 Feb 2021 644th retrohun 272 403 3ms 26 Aug 2025 645th MeWhenI 🇻🇦 272 792 51ms 7 Sep 2024 646th JunkIce 269 480 25ms 12 Nov 2024 647th varhammer 🇷🇺 266 583 10ms 5 Mar 2022 648th dokutan 265 727 65ms 3 Jul 2025 649th D1CED 262 620 42ms 17 Nov 2021 650th JunkIce 260 471 2,219ms 3 Dec 2024 651st joshvd 260 498 11ms 31 Aug 2019 652nd ian-h-chamberlain 🇺🇸 260 705 218ms 12 Oct 2020 653rd chunky 259 976 2ms 1 Oct 2020 654th omgardner 257 503 13ms 4 Feb 2019 655th Trunksistor 🇫🇷 256 505 10ms 6 May 2022 656th MeWhenI 🇻🇦 256 585 4ms 16 Apr 2023 657th dokutan 256 648 2ms 10 Dec 2024 658th zuparnowa 255 508 17ms 12 Feb 2019 658th henrytranter 255 508 17ms 20 Sep 2019 660th luuumine 🇫🇷 252 514 9ms 12 days ago 661st nlc 250 407 37ms 12 Apr 2018 662nd MeWhenI 🇻🇦 249 839 5ms 27 Jul 2023 663rd kurkale6ka 247 456 3ms 27 Dec 2023 664th scottJsonar 247 524 10ms 29 Nov 2019 665th gabrielsqw 246 526 11ms 24 Oct 2023 666th two-bad 🇬🇧 243 500 10ms 25 Feb 2024 667th dokutan 242 453 3ms 9 Dec 2024 668th myleopard 242 534 10ms 22 Dec 2022 669th dokutan 242 583 2ms 24 Dec 2024 670th adesanjo 241 537 10ms 30 Oct 2018 670th Mikey-Beep 🇬🇧 241 537 12ms 25 Aug 2023 672nd dokutan 241 631 85ms 10 Dec 2024 673rd Yewzir 🇧🇪 239 541 9ms 11 Apr 2023 674th schachmattmatt 238 427 35ms 20 Aug 2021 675th MeWhenI 🇻🇦 237 463 3ms 12 May 2022 First Prev 601–675 of 856 Next Last