The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Partition Numbers in all languages in chars. 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 Chars Time Submitted 321st pardouin 🇫🇷 756 97 137ms 20 Mar 2025 322nd CaedenHarper 🇨🇦 756 113 444ms 27 days ago 323rd 0xjac 🇨🇭 755 131 262ms 7 Jun 2025 324th DialFrost 🇸🇬 752 94 107ms 11 Nov 2025 325th KatieLG 🇬🇧 749 57 52ms 2 Oct 2025 326th snoozingnewt 🇨🇦 749 60 2ms 23 Sep 2025 327th sean-niemann 🇺🇸 749 85 3ms 14 Dec 2024 328th StefanHabel 🇨🇦 745 66 37ms 1 Mar 2025 328th LostSyntax21 🇬🇧 745 66 40ms 7 Mar 2025 328th plcc0 745 66 10ms 4 Aug 2025 331st tomtheisen 🇺🇸 745 109 402ms 27 Jun 2025 331st CaedenHarper 🇨🇦 745 109 370ms 27 days ago 333rd emgordon154 745 113 834ms 6 Apr 2025 334th CaedenHarper 🇨🇦 744 63 425ms 3 Mar 2025 334th SirBogman 🇺🇸 744 63 381ms 23 Jul 2025 336th pardouin 🇫🇷 741 59 54ms 10 Mar 2025 337th Chinay-Domitrix 🇺🇸 741 90 3,781ms 23 Mar 2025 338th MeWhenI 🇻🇦 741 99 127ms 28 Feb 2025 339th DialFrost 🇸🇬 737 81 3ms 7 Nov 2025 340th error256 736 58 54ms 1 Mar 2025 341st edsrzf 🇳🇿 736 110 55ms 9 Nov 2025 342nd kmathis22 736 116 359ms 15 days ago 343rd JunkIce 734 67 13ms 5 Mar 2025 343rd stefangimmillaro 734 67 60ms 8 Mar 2025 343rd snoozingnewt 🇨🇦 734 67 10ms 31 Mar 2025 343rd dokutan 734 67 10ms 20 Apr 2025 347th snoozingnewt 🇨🇦 734 111 127ms 29 Sep 2025 348th DialFrost 🇸🇬 733 69 146ms 28 Feb 2025 349th emgordon154 733 91 4,824ms 18 May 2025 350th snoozingnewt 🇨🇦 733 135 271ms 23 Sep 2025 351st duckyluuk 🇳🇱 732 64 453ms 29 Jul 2025 351st KatieLG 🇬🇧 732 64 366ms 6 Oct 2025 353rd rucin93 🇵🇱 731 87 3ms 28 Feb 2025 354th dokutan 730 74 709ms 22 Sep 2025 355th stefangimmillaro 728 82 39ms 3 Mar 2025 356th CaedenHarper 🇨🇦 728 136 357ms 27 days ago 357th snoozingnewt 🇨🇦 726 95 2ms 23 Sep 2025 358th DialFrost 🇸🇬 726 101 129ms 1 Mar 2025 359th emgordon154 726 114 78ms 1 Mar 2025 360th duckyluuk 🇳🇱 725 69 9ms 30 Jul 2025 361st namelessiw 725 112 398ms 18 Nov 2025 362nd stefangimmillaro 723 59 50ms 6 Apr 2025 363rd madex 🇩🇪 723 88 2ms 20 Mar 2025 364th emgordon154 716 67 925ms 1 Mar 2025 364th dokutan 716 67 918ms 30 Mar 2025 366th emgordon154 715 89 1ms 28 Feb 2025 367th frankgraziano 715 234 14ms 12 Oct 2025 368th SirBogman 🇺🇸 714 35 3ms 15 Apr 2025 369th edsrzf 🇳🇿 714 70 9ms 4 Mar 2025 370th dokutan 711 60 43ms 20 Apr 2025 371st Kacarott 🇦🇺 709 87 74ms 2 Jun 2025 372nd MeWhenI 🇻🇦 707 90 2ms 28 Feb 2025 373rd luuumine 🇫🇷 707 117 385ms 7 days ago 374th lukechampine 707 140 275ms 7 Jun 2025 375th MeWhenI 🇻🇦 706 68 939ms 28 Feb 2025 376th dokutan 706 121 535ms 24 Sep 2025 377th pardouin 🇫🇷 704 62 2,189ms 15 Mar 2025 378th snoozingnewt 🇨🇦 704 109 3ms 23 Sep 2025 379th JunkIce 700 67 369ms 5 Mar 2025 379th dokutan 700 67 352ms 20 Apr 2025 379th snoozingnewt 🇨🇦 700 67 415ms 23 Sep 2025 382nd snoozingnewt 🇨🇦 700 122 421ms 12 days ago 383rd blaztoma 🇱🇹 699 61 50ms 28 Oct 2025 384th emgordon154 696 117 141ms 28 Feb 2025 385th snoozingnewt 🇨🇦 695 148 26ms 23 Sep 2025 386th snoozingnewt 🇨🇦 694 113 483ms 29 Sep 2025 387th targrik 692 143 274ms 6 Jul 2025 388th emgordon154 692 195 1,706ms 21 days ago 389th iczelia 🇩🇪 690 87 113ms 17 Oct 2025 390th Just4FunCoder 688 62 35ms 14 Sep 2025 391st snoozingnewt 🇨🇦 688 97 3,448ms 23 Sep 2025 392nd error256 685 90 68ms 1 Mar 2025 393rd luuumine 🇫🇷 684 93 2ms 7 Nov 2025 394th Yax42 🇫🇷 682 119 384ms 17 Aug 2025 395th MeWhenI 🇻🇦 681 96 90ms 4 Mar 2025 396th dokutan 678 146 251ms 30 Mar 2025 397th tatzyr 🇯🇵 677 63 40ms 27 Feb 2025 397th Natanaelel 🇸🇪 677 63 35ms 11 Mar 2025 399th albanian-laundromat 673 114 5ms 27 Jun 2025 400th blaztoma 🇱🇹 672 65 342ms 28 Oct 2025 First Prev 321–400 of 1,053 Next Last