Morse Encoder in all languages in chars. 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 Continued Fractions 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 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 Continued Fractions 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 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 Chars Time Submitted 526th MeWhenI 🇻🇦 381 729 842ms 9 Feb 2025 527th bastienvoirin 🇫🇷 379 246 10ms 30 Nov 2020 528th LucaArgentiUCF 🇮🇹 378 476 51ms 25 Jan 2021 529th neihousaigaai 377 289 10ms 15 Mar 2021 530th IISResetMe 376 255 233ms 8 Jul 2024 531st Blendi-Goose 376 393 2ms 5 Oct 2025 532nd jgbaldwinbrown 376 429 302ms 9 Jul 2021 533rd ian-h-chamberlain 🇺🇸 376 453 224ms 4 Aug 2022 534th yokasuretsu 372 196 129ms 4 May 2018 535th petar-donchev 371 251 9ms 7 Sep 2019 536th ForkKILLET 🇨🇳 371 294 10ms 21 Feb 2021 536th CaedenHarper 🇨🇦 371 294 10ms 14 days ago 538th Natanaelel 🇸🇪 370 304 3ms 23 Jun 2023 539th jerrandolph 370 436 293ms 3 Nov 2023 540th Yewzir 🇧🇪 369 467 1,919ms 7 May 2024 541st CallanMcNulty 368 296 10ms 20 Mar 2022 542nd LukeBridges 🇬🇧 367 297 9ms 20 Aug 2024 543rd Yewzir 🇧🇪 366 255 13ms 19 May 2023 543rd Babafaba 366 255 17ms 9 days ago 545th tomh1012 366 298 10ms 14 Sep 2020 545th GeorgeStechman 🇬🇧 366 298 11ms 20 Nov 2022 547th BuBuaBu 366 404 2ms 30 Aug 2023 548th LSWdigital 365 397 25ms 15 Dec 2021 549th 0xjac 🇨🇭 365 442 277ms 9 Jun 2025 550th tobeannouncd 364 491 143ms 29 Apr 2024 551st pandapawskat 362 333 2ms 2 Sep 2021 552nd strattonwhisler 361 302 10ms 22 Apr 2022 553rd Kees-van-Beilen 360 303 10ms 14 May 2023 554th Bonjour27891 🇻🇳 359 260 12ms 10 Apr 2022 555th marcin7Cd 359 431 8ms 5 Apr 2021 556th Babafaba 357 242 520ms 9 days ago 557th ImpressedByRocks 357 261 14ms 19 Sep 2022 558th neihousaigaai 357 388 339ms 18 May 2021 559th InigoK 🇺🇸 356 262 9ms 15 Jun 2023 560th junkondo-jp 355 307 9ms 11 Jun 2024 561st msbranicky 355 401 2ms 14 Oct 2023 562nd EnviloN 🇨🇿 354 263 10ms 20 Oct 2024 562nd JunkIce 354 263 17ms 12 Feb 2025 564th msbranicky 353 264 16ms 3 Jul 2023 565th omurakazuaki 🇯🇵 352 310 12ms 13 Feb 2021 565th eranws 352 310 9ms 24 Oct 2022 567th msbranicky 352 458 285ms 31 Aug 2023 568th smclaughlin-cf 349 312 10ms 15 Apr 2025 569th gotbadger 348 231 36ms 21 Nov 2024 570th fgrosshans 🇫🇷 348 268 12ms 9 Jul 2024 571st ericlangedijk 🇸🇮 348 306 370ms 18 Mar 2022 572nd yokasuretsu 347 269 10ms 19 Apr 2018 573rd MeWhenI 🇻🇦 346 273 145ms 3 Aug 2024 574th pandapawskat 346 306 3ms 27 Aug 2021 575th lukasmoellerch 345 316 10ms 15 Jul 2019 575th 1231234md5 🇨🇳 345 316 10ms 29 Jan 2024 577th nullie 343 272 10ms 9 Jun 2022 578th mintypython 342 319 10ms 19 Oct 2018 579th blaztoma 🇱🇹 341 201 3ms 22 Oct 2025 580th dokutan 340 278 122ms 21 Aug 2024 581st KatieLG 🇬🇧 339 673 3ms 24 Sep 2022 582nd dokutan 338 902 12ms 24 Dec 2024 583rd jahakari 337 316 356ms 21 Nov 2021 584th gnlow 🇰🇷 336 324 10ms 25 Apr 2020 585th eshilo-draper 334 279 11ms 21 Sep 2022 585th Ythaenagor 334 279 10ms 5 Aug 2024 587th Florian-Mt 334 326 10ms 13 Nov 2023 588th graft 333 242 34ms 11 Mar 2018 589th geofft 333 280 10ms 14 Dec 2020 590th titpetric 333 484 293ms 20 Apr 2020 591st Re-Adventures 🇮🇳 332 281 10ms 10 Oct 2020 592nd luuumine 🇫🇷 331 282 10ms 24 days ago 593rd yokasuretsu 330 244 35ms 19 Apr 2018 594th juliansiebert 🇩🇪 330 290 306ms 15 Jun 2025 595th dokutan 330 427 85ms 13 Sep 2025 596th labster 329 344 4ms 10 Mar 2018 597th JunkIce 328 263 475ms 12 Feb 2025 598th neihousaigaai 327 285 9ms 27 Dec 2021 599th pg98 327 333 10ms 5 Sep 2019 600th alemelis 326 267 1,031ms 4 Mar 2024 First Prev 526–600 of 966 Next Last