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 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 Chars Time Submitted 526th IISResetMe 376 255 248ms 8 Jul 2024 527th jgbaldwinbrown 376 429 300ms 9 Jul 2021 528th ian-h-chamberlain 🇺🇸 376 453 230ms 4 Aug 2022 529th Blendi-Goose 375 393 2ms 17 days ago 530th yokasuretsu 372 196 171ms 4 May 2018 531st petar-donchev 371 251 10ms 7 Sep 2019 532nd ForkKILLET 🇨🇳 371 294 11ms 21 Feb 2021 533rd Natanaelel 🇸🇪 369 304 3ms 23 Jun 2023 534th jerrandolph 369 436 305ms 3 Nov 2023 535th Yewzir 🇧🇪 369 467 2,042ms 7 May 2024 536th CallanMcNulty 368 296 10ms 20 Mar 2022 537th LukeBridges 🇬🇧 367 297 9ms 20 Aug 2024 538th Yewzir 🇧🇪 366 255 11ms 19 May 2023 539th tomh1012 366 298 9ms 14 Sep 2020 539th GeorgeStechman 🇬🇧 366 298 9ms 20 Nov 2022 541st LSWdigital 365 397 25ms 15 Dec 2021 542nd BuBuaBu 365 404 2ms 30 Aug 2023 543rd 0xjac 🇨🇭 364 442 299ms 9 Jun 2025 544th tobeannouncd 364 491 143ms 29 Apr 2024 545th pandapawskat 362 333 2ms 2 Sep 2021 546th strattonwhisler 361 302 9ms 22 Apr 2022 547th Kees-van-Beilen 360 303 17ms 14 May 2023 548th Bonjour27891 🇻🇳 359 260 13ms 10 Apr 2022 549th marcin7Cd 359 431 8ms 5 Apr 2021 550th ImpressedByRocks 357 261 15ms 19 Sep 2022 551st neihousaigaai 357 388 471ms 18 May 2021 552nd msbranicky 357 401 2ms 14 Oct 2023 553rd InigoK 🇺🇸 356 262 9ms 15 Jun 2023 554th junkondo-jp 355 307 9ms 11 Jun 2024 555th EnviloN 🇨🇿 354 263 15ms 20 Oct 2024 555th JunkIce 354 263 25ms 12 Feb 2025 557th msbranicky 353 264 20ms 3 Jul 2023 558th msbranicky 352 458 297ms 31 Aug 2023 559th omurakazuaki 🇯🇵 351 310 9ms 13 Feb 2021 559th eranws 351 310 16ms 24 Oct 2022 561st smclaughlin-cf 349 312 10ms 15 Apr 2025 562nd gotbadger 348 231 36ms 21 Nov 2024 563rd fgrosshans 🇫🇷 348 268 14ms 9 Jul 2024 564th ericlangedijk 🇸🇮 348 306 370ms 18 Mar 2022 565th yokasuretsu 347 269 11ms 19 Apr 2018 566th MeWhenI 🇻🇦 346 273 138ms 3 Aug 2024 567th pandapawskat 346 306 3ms 27 Aug 2021 568th lukasmoellerch 345 316 15ms 15 Jul 2019 568th 1231234md5 🇨🇳 345 316 12ms 29 Jan 2024 570th nullie 343 272 11ms 9 Jun 2022 571st mintypython 342 319 10ms 19 Oct 2018 572nd blaztoma 🇱🇹 341 201 3ms 11 hours ago 573rd dokutan 340 278 126ms 21 Aug 2024 574th KatieLG 🇬🇧 339 673 3ms 24 Sep 2022 575th dokutan 338 902 13ms 24 Dec 2024 576th jahakari 337 316 359ms 21 Nov 2021 577th gnlow 🇰🇷 336 324 11ms 25 Apr 2020 578th eshilo-draper 334 279 10ms 21 Sep 2022 578th Ythaenagor 334 279 13ms 5 Aug 2024 580th Florian-Mt 334 326 10ms 13 Nov 2023 581st graft 333 242 34ms 11 Mar 2018 582nd geofft 333 280 12ms 14 Dec 2020 583rd titpetric 333 484 314ms 20 Apr 2020 584th Re-Adventures 🇮🇳 332 281 11ms 10 Oct 2020 585th yokasuretsu 330 244 35ms 19 Apr 2018 586th juliansiebert 🇩🇪 330 290 304ms 15 Jun 2025 587th dokutan 330 427 129ms 13 Sep 2025 588th labster 329 344 6ms 10 Mar 2018 589th JunkIce 328 263 475ms 12 Feb 2025 590th neihousaigaai 327 285 10ms 27 Dec 2021 591st pg98 327 333 9ms 5 Sep 2019 592nd alemelis 326 267 1,031ms 4 Mar 2024 593rd The-Wolfson 324 531 127ms 1 Nov 2024 594th shreyasminocha 323 337 10ms 2 Aug 2020 595th not-optikk 🇺🇸 323 457 2ms 16 Oct 2020 596th msbranicky 322 268 1,062ms 17 Jan 2024 597th guilhem-roy 🇫🇷 320 291 10ms 3 Mar 2022 598th evanrittner 319 292 11ms 26 Feb 2021 598th randolchance 319 292 14ms 20 Jun 2025 600th bac0id 319 334 425ms 4 Jul 2024 First Prev 526–600 of 951 Next Last