The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Morse Encoder in Python 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st Troon 657 213 10ms 18 Apr 2025 82nd marcin7Cd 654 214 10ms 14 Mar 2020 82nd Pulencode 🇨🇨 654 214 10ms 17 Nov 2024 84th msrawson 645 217 10ms 1 Sep 2018 84th PatrickStephansen 🇿🇦 645 217 17ms 23 Aug 2023 86th Indivicivet 642 218 19ms 19 Oct 2021 87th hoodadam 636 220 12ms 12 Jun 2019 88th ArmaanAS 625 224 11ms 26 Mar 2021 89th adamnielson42 🇺🇸 619 226 10ms 21 Aug 2023 90th andrewjc2000 617 227 10ms 18 Jul 2025 91st Eilonlif 🇮🇱 609 230 11ms 4 Nov 2022 91st frankgraziano 609 230 16ms 5 Apr 2025 93rd amollberg 🇸🇪 606 231 18ms 16 Jan 2022 94th zuparnowa 598 234 10ms 8 Feb 2019 94th mathisfun271 598 234 12ms 18 Dec 2023 94th yuchuehw 598 234 10ms 4 Jan 2024 97th argusdusty 🇺🇸 596 235 17ms 11 Jan 2021 97th moustave 596 235 10ms 28 Mar 2025 99th Mabeloid 🇳🇴 593 236 10ms 21 Sep 2024 100th Phanabani 🇺🇸 574 244 10ms 22 Oct 2020 101st skps2010 569 246 17ms 29 Dec 2018 101st StefanHabel 🇨🇦 569 246 10ms 19 days ago 103rd kevinmchung 567 247 18ms 24 Feb 2018 103rd b10011 🇫🇮 567 247 11ms 30 Dec 2022 103rd froggy2001 567 247 17ms 16 Feb 2023 106th bastienvoirin 🇫🇷 565 248 12ms 30 Nov 2020 107th mhsaul 560 250 12ms 10 Apr 2023 107th ceeb9 560 250 13ms 14 Jun 2024 109th Lwi-Sandwich 551 254 11ms 20 Jul 2023 110th Babafaba 545 257 17ms 11 Nov 2025 111th thisishowmymindworks 🇳🇴 532 263 9ms 12 Oct 2020 112th yzhs 🇩🇪 530 264 11ms 23 Jun 2023 113th ImpressedByRocks 528 265 15ms 19 Sep 2022 114th InigoK 🇺🇸 519 270 10ms 15 Jun 2023 114th msbranicky 519 270 18ms 5 Jul 2023 114th fgrosshans 🇫🇷 519 270 11ms 9 Jul 2024 117th EnviloN 🇨🇿 517 271 10ms 20 Oct 2024 118th nullie 500 280 11ms 9 Jun 2022 119th yokasuretsu 498 281 10ms 19 Apr 2018 120th petar-donchev 496 282 11ms 7 Sep 2019 120th geofft 496 282 11ms 14 Dec 2020 122nd jakobkordez 🇸🇮 493 284 10ms 31 Oct 2022 123rd neihousaigaai 488 287 12ms 27 Dec 2021 123rd eshilo-draper 488 287 10ms 21 Sep 2022 123rd Ythaenagor 488 287 10ms 5 Aug 2024 126th Bonjour27891 🇻🇳 478 293 14ms 10 Apr 2022 127th randolchance 476 294 10ms 20 Jun 2025 128th edre 475 295 10ms 30 Apr 2018 129th guilhem-roy 🇫🇷 470 298 10ms 3 Mar 2022 130th relet 468 299 17ms 9 Aug 2018 130th leon-w 468 299 21ms 5 Jan 2019 132nd evanrittner 467 300 10ms 26 Feb 2021 133rd martinnorling 🇸🇪 461 304 10ms 22 Feb 2022 134th mbittner20 459 305 10ms 21 Jan 2024 135th kypi 458 306 10ms 20 Feb 2020 136th alangodfrey 456 307 16ms 31 Jan 2019 136th ianpoe 456 307 11ms 20 Apr 2020 138th robin-scragg 453 309 10ms 18 Oct 2025 139th lhulinsky 452 310 10ms 22 Oct 2024 140th zdzc 450 311 20ms 30 Mar 2018 141st logvp 447 313 18ms 31 Jan 2024 142nd mizuzimu 446 314 11ms 12 Apr 2020 142nd gXLg 🇩🇪 446 314 11ms 19 Sep 2023 142nd andre-lameirinhas 🇵🇹 446 314 10ms 30 Nov 2023 145th try-except-try-accept 🇹🇭 443 316 10ms 28 Jun 2022 146th decorator-factory 442 317 10ms 21 May 2019 146th osmith93 442 317 17ms 1 Aug 2021 146th cykim8811 442 317 16ms 10 Jul 2024 146th Pyroan 442 317 11ms 22 Feb 2025 150th Haksell 🇦🇶 436 321 19ms 1 Dec 2019 150th Florian-Mt 436 321 10ms 13 Nov 2023 152nd ejmejm 435 322 10ms 2 Dec 2021 152nd inverseLorentz 🇦🇺 435 322 11ms 21 Jun 2022 154th garrisonhh 433 323 17ms 19 Nov 2020 155th TobyBoyne 🇬🇧 427 328 13ms 15 Apr 2022 156th Emutis 🇱🇹 426 329 11ms 12 Aug 2025 157th dahrens 424 330 11ms 13 May 2021 157th PaulMWeiser 424 330 11ms 3 Mar 2023 159th knutae 🇳🇴 423 331 17ms 20 Jul 2019 159th mrmena 🇦🇺 423 331 19ms 11 Jun 2021 First Prev 81–160 of 286 Next Last
