The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Quine in C 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 96th LogicalJoe 513 76 1ms 20 Mar 2023 96th Dominoscompute 513 76 2ms 20 Apr 2023 96th klixel 🇨🇦 513 76 1ms 4 May 2023 96th aubergine-sauce 513 76 1ms 26 May 2023 96th lyphyser 513 76 2ms 3 Jun 2023 96th funnsam 🇭🇰 513 76 1ms 10 Jun 2023 96th jacobly0 🇺🇸 513 76 2ms 15 Aug 2023 96th nyoshe 513 76 2ms 27 Sep 2023 96th weliveinhell 🇭🇹 513 76 2ms 1 Oct 2023 96th imma-Spring 513 76 2ms 21 Oct 2023 96th gottschalktobias1998 513 76 1ms 30 Oct 2023 96th Adrien-AM 513 76 1ms 8 Nov 2023 96th HumanoidCPU 513 76 2ms 17 Nov 2023 96th m42km 513 76 2ms 6 Jan 2024 96th 1231234md5 🇨🇳 513 76 1ms 8 Jan 2024 96th iilegacyyii 513 76 1ms 22 Jan 2024 96th NickTheEASDude 🇺🇸 513 76 1ms 25 Jan 2024 96th snoozingnewt 🇨🇦 513 76 2ms 18 Feb 2024 96th roguh 🇬🇹 513 76 1ms 20 Feb 2024 96th LHLaurini 🇧🇷 513 76 2ms 2 May 2024 96th LorenzoDeGaspari 513 76 2ms 2 May 2024 96th olleicua 🇺🇸 513 76 2ms 4 Jun 2024 96th Ralac07 🇦🇺 513 76 1ms 4 Jul 2024 96th rifatx 513 76 2ms 11 Jul 2024 96th dokutan 513 76 1ms 13 Jul 2024 96th LostSyntax21 🇬🇧 513 76 2ms 31 Aug 2024 96th madeforlosers 513 76 2ms 20 Sep 2024 96th Stockoh 🇫🇷 513 76 1ms 29 Sep 2024 96th CaedenHarper 🇨🇦 513 76 1ms 13 Oct 2024 96th nomennescio 513 76 1ms 9 Dec 2024 96th shenziyiszy 513 76 2ms 10 Dec 2024 96th snyderek 🇺🇸 513 76 1ms 4 Feb 2025 96th JunkIce 513 76 2ms 26 Feb 2025 96th nilan425 513 76 1ms 15 Apr 2025 96th codewrite 🇬🇧 513 76 2ms 23 May 2025 96th Upload-and-View 🇺🇦 513 76 1ms 5 Aug 2025 96th Soyo-Wind 513 76 2ms 18 Aug 2025 96th Babafaba 513 76 2ms 24 days ago 96th yoikolover 513 76 2ms 7 days ago 200th scpchicken 🇵🇼 506 77 2ms 28 Feb 2022 201st NatNgs 500 78 2ms 9 Jan 2020 201st ryguyNelson 500 78 2ms 26 Dec 2020 201st iannisdezwart 🇳🇱 500 78 1ms 21 Jun 2021 201st alichraghi 500 78 1ms 14 Oct 2021 201st two-bad 🇬🇧 500 78 1ms 5 Dec 2021 201st varhammer 🇷🇺 500 78 2ms 31 Jan 2022 201st andre-de-lorde 500 78 2ms 14 Apr 2022 201st plainoldcheese 🇦🇶 500 78 2ms 23 Mar 2023 201st StHagel 500 78 2ms 3 Aug 2023 201st edsrzf 🇳🇿 500 78 2ms 23 Oct 2024 211th ishan0102 488 80 1ms 17 May 2020 212th AbhayAravinda 476 82 1ms 15 Aug 2020 213th TerenceTux 464 84 1ms 22 May 2023 214th mathisfun271 459 85 1ms 5 Mar 2022 214th Waterperry 459 85 1ms 4 Jun 2022 214th 0dyse 459 85 2ms 23 Jan 2023 214th cmayer777 459 85 2ms 26 Jan 2023 214th therealnumbers 459 85 2ms 17 Nov 2023 214th hacker112 🇸🇪 459 85 1ms 24 Jun 2024 214th TeodorDyakov 🇧🇬 459 85 1ms 5 Mar 2025 214th SirObby 🇫🇮 459 85 1ms 26 Jun 2025 222nd jackkav 453 86 1ms 6 Oct 2019 222nd TheAristos 453 86 2ms 1 Nov 2019 224th agrukuki 429 91 2ms 4 Oct 2020 225th daniel-montanari 419 93 2ms 20 Dec 2022 226th Cadichon 🇫🇷 415 94 1ms 2 Mar 2022 226th Us1ngTh3Hub 415 94 2ms 2 Apr 2024 228th Xzyaihni 406 96 1ms 20 Oct 2022 229th ozefe 🇹🇷 394 99 1ms 28 Oct 2021 230th RandGuy 390 100 2ms 14 Dec 2021 231st doge1338 382 102 2ms 15 Dec 2020 231st sciencejiho 382 102 2ms 10 Feb 2025 231st Unknownuserfrommars 382 102 1ms 5 Aug 2025 234th Demonarchet 375 104 2ms 8 Nov 2023 235th fitzdotlol 🇺🇸 355 110 1ms 21 Mar 2022 235th DaCuteRaccoon 355 110 2ms 14 Dec 2022 237th nantf 328 119 2ms 13 Mar 2021 238th KatieLG 🇬🇧 325 120 1ms 28 Apr 2021 238th codereport 🇨🇦 325 120 2ms 19 Apr 2025 240th leon-w 322 121 2ms 13 Jul 2019 First Prev 161–240 of 265 Next Last