The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Morse Encoder in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 721st jotslo 🇬🇧 337 407 9ms 5 Jul 2021 722nd rambox11 336 406 9ms 6 Dec 2019 723rd bsoyka 🇺🇸 336 408 10ms 9 Jan 2022 724th The-Wolfson 336 539 102ms 1 Nov 2024 725th lukehewittvandy 335 470 729ms 15 Jun 2020 726th madex 🇩🇪 334 408 10ms 23 Jun 2024 727th madex 🇩🇪 333 363 1,180ms 23 Jun 2024 728th arcage 🇯🇵 333 364 1,156ms 10 Aug 2021 729th p-vf 🇨🇭 333 399 373ms 29 Sep 2021 730th not-optikk 🇺🇸 332 459 2ms 16 Oct 2020 731st lrustand 331 414 10ms 19 Feb 2018 732nd Kibble 329 414 10ms 13 Jul 2020 733rd dokutan 322 885 849ms 12 Jan 2025 734th galloj 🇨🇿 319 381 3ms 31 Aug 2022 735th markbyrne 319 429 10ms 25 Oct 2020 736th Vaekor 312 439 10ms 16 Nov 2020 737th madex 🇩🇪 311 358 53ms 23 Jun 2024 738th HassanAliKadhem 🇧🇭 311 441 17ms 4 Jan 2022 739th GalladeGuy 🇺🇸 311 489 2ms 3 Sep 2018 740th CallanMcNulty 310 440 9ms 20 Mar 2022 741st Irratix 🇳🇱 310 603 116ms 21 Nov 2021 742nd d4rkne55 308 432 6ms 1 Mar 2018 743rd madex 🇩🇪 308 569 308ms 23 Jun 2024 744th NanduBC 306 447 10ms 23 Mar 2021 745th CutSandstone 306 448 16ms 5 Jul 2024 746th sergeyz7 🇬🇧 305 374 263ms 18 Nov 2020 747th Trunksistor 🇫🇷 305 449 10ms 19 Apr 2022 748th Laksen 🇩🇰 302 649 25ms 8 Jul 2021 749th b4dpxl 300 456 9ms 4 Dec 2019 749th bbakersmith 300 456 10ms 19 Jul 2021 751st Yewzir 🇧🇪 299 458 10ms 19 May 2023 752nd jgbaldwinbrown 298 430 2ms 9 Jul 2021 753rd Starwort 🇬🇧 298 459 10ms 4 Mar 2019 754th Maximizer02 298 581 8ms 10 Sep 2025 755th MeWhenI 🇻🇦 296 511 14ms 28 Mar 2022 756th RJFuller 295 465 11ms 23 Feb 2024 757th Agazoth 291 392 242ms 12 Jun 2020 758th vaughad 290 624 91ms 21 Jan 2020 759th johnennewdeeson 289 472 9ms 6 Apr 2020 760th rollershutter 289 474 9ms 19 Jul 2023 761st JunkIce 288 475 16ms 12 Feb 2025 762nd JOrE20 🇺🇸 287 476 10ms 20 days ago 763rd boxjelly 285 391 41ms 12 Feb 2021 764th lahell 284 401 244ms 8 Jun 2020 765th Cr3aHal0 284 480 10ms 28 Jun 2019 766th 21zz 284 483 10ms 2 Dec 2022 767th DmytroLynda 282 471 427ms 21 Nov 2024 768th SiddharthShyniben 282 483 9ms 10 Aug 2021 769th eddvrs 282 485 10ms 20 Aug 2022 770th MeWhenI 🇻🇦 282 664 141ms 22 Mar 2024 771st MeWhenI 🇻🇦 282 979 2ms 8 Feb 2022 772nd aglahir1 279 491 9ms 21 Jul 2022 773rd shaunjc 277 481 5ms 11 Jun 2021 774th d4rkne55 277 492 10ms 28 Feb 2018 775th moshiba 277 494 12ms 18 Apr 2018 775th Re-Adventures 🇮🇳 277 494 11ms 1 Feb 2023 777th mothcolada 🇺🇸 277 495 10ms 11 Mar 2021 778th brandon-04 273 487 372ms 11 Nov 2025 779th Michiocre 272 501 9ms 18 Jun 2024 780th luuumine 🇫🇷 271 505 10ms 27 Oct 2025 781st valgardg 🇮🇸 271 506 9ms 10 Aug 2021 781st twocatsinatrenchcoat 271 506 10ms 10 May 2022 783rd jtaxen 270 508 10ms 6 May 2024 784th Yewzir 🇧🇪 269 458 1,617ms 15 Jan 2024 785th befoster 269 509 10ms 8 May 2021 786th JeromeSchweitzer 268 511 16ms 7 Sep 2020 787th rbicelli 267 498 5ms 4 Apr 2018 788th Stockoh 🇫🇷 265 517 10ms 5 Nov 2023 789th JunkIce 264 466 2,127ms 12 Feb 2025 790th dokutan 264 499 148ms 21 Aug 2024 791st Drew-j-Smith 264 518 10ms 29 Mar 2022 792nd mogensen 264 642 314ms 17 Apr 2020 793rd hklemp 🇩🇪 261 509 357ms 21 Nov 2021 794th bobsbeenjamin 🇺🇸 258 530 9ms 10 Dec 2020 795th adoxography 257 433 53ms 10 Mar 2020 796th amishtal 257 532 10ms 5 Dec 2019 797th jameswmccarty 257 533 10ms 4 Nov 2024 798th dokutan 257 1,074 2ms 13 Nov 2024 799th RandGuy 256 520 356ms 14 Dec 2021 800th ArturLange 256 536 10ms 14 Sep 2018 First Prev 721–800 of 988 Next Last
