The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
√2 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 783rd dev-loop0 707 68 11ms 20 Aug 2020 783rd linstr13 707 68 12ms 29 Sep 2020 783rd mueller14003 707 68 12ms 8 Oct 2020 783rd thisishowmymindworks 🇳🇴 707 68 47ms 14 Oct 2020 783rd davidverweij 707 68 12ms 21 Oct 2020 783rd martinsifrar 707 68 12ms 23 Oct 2020 783rd KatieLG 🇬🇧 707 68 12ms 1 Nov 2020 783rd Dazza314 🇬🇧 707 68 11ms 6 Nov 2020 783rd austinrwarner 707 68 12ms 25 Dec 2020 783rd Tess2662 707 68 12ms 11 Jan 2021 783rd fynnkroeger 707 68 11ms 20 Jan 2021 783rd ydevor 🇮🇱 707 68 12ms 22 Feb 2021 783rd asadullayev 707 68 12ms 3 Mar 2021 783rd orifu 707 68 11ms 19 Mar 2021 783rd josephjojoe 707 68 12ms 19 Mar 2021 783rd enbyte 707 68 12ms 21 May 2021 783rd harrymwilkins 🇬🇧 707 68 12ms 18 Jul 2021 783rd RYNO8 707 68 12ms 7 Aug 2021 783rd ngocbd 🇻🇳 707 68 12ms 31 Aug 2021 783rd potato-jackson 707 68 12ms 6 Sep 2021 783rd ToE42 707 68 11ms 7 Sep 2021 783rd ehulinsky 🇺🇸 707 68 14ms 16 Sep 2021 783rd redbeancola 707 68 12ms 11 Oct 2021 783rd walterfeyman 707 68 12ms 30 Oct 2021 783rd xy3 🇮🇪 707 68 12ms 18 Nov 2021 783rd sleepyStick 707 68 12ms 7 Dec 2021 783rd akshatj27 🇦🇶 707 68 12ms 11 Jan 2022 783rd Bonjour27891 🇻🇳 707 68 11ms 10 Feb 2022 783rd LeeCamp 707 68 12ms 15 Feb 2022 783rd SomeKitten 🇺🇸 707 68 12ms 20 Aug 2022 783rd suwat513 707 68 11ms 23 Sep 2022 783rd ValentinCassayre 707 68 12ms 9 Oct 2022 783rd aksyristos 707 68 12ms 30 Oct 2022 783rd tpasfieldERAU 707 68 12ms 9 Nov 2022 783rd Omega65536 🇩🇪 707 68 11ms 23 Nov 2022 783rd jfallon1997 707 68 12ms 3 Jan 2023 783rd Smoncko 707 68 12ms 1 Feb 2023 783rd DragonaireM 707 68 12ms 6 Feb 2023 783rd m3nt0ras 🇬🇷 707 68 12ms 16 Feb 2023 783rd crispshaker 707 68 23ms 18 Mar 2023 783rd MiranDaniel 🇨🇿 707 68 11ms 29 Apr 2023 783rd sd3b 707 68 11ms 1 May 2023 783rd ZoeyKD 707 68 12ms 14 May 2023 783rd Ripick 707 68 12ms 22 May 2023 783rd msbranicky 707 68 12ms 10 Jul 2023 783rd cingulataluke 707 68 12ms 26 Aug 2023 783rd bac0id 707 68 11ms 20 Sep 2023 783rd Stockoh 🇫🇷 707 68 12ms 5 Nov 2023 783rd keelimeguy 🇺🇸 707 68 11ms 6 Nov 2023 783rd firegene 🇮🇪 707 68 11ms 24 Nov 2023 783rd m42km 707 68 12ms 8 Dec 2023 783rd zwxzwxzwx21 707 68 12ms 13 Dec 2023 783rd epic-programmer-guy 707 68 11ms 17 Dec 2023 783rd smokestacklightnin 🇺🇸 707 68 12ms 29 Dec 2023 783rd Dataen 707 68 12ms 12 Jan 2024 783rd scpchicken 🇵🇼 707 68 12ms 1 Feb 2024 783rd Just4FunCoder 707 68 12ms 26 Feb 2024 783rd roupiq 🇵🇱 707 68 11ms 27 Feb 2024 783rd sultan 707 68 11ms 9 Mar 2024 783rd vgamula 🇺🇦 707 68 12ms 18 May 2024 783rd stertooy 🇧🇪 707 68 11ms 11 Jun 2024 783rd LHLaurini 🇧🇷 707 68 12ms 5 Jul 2024 783rd codingisgreatbutiamnot 707 68 15ms 14 Jul 2024 783rd HumanoidCPU 707 68 12ms 29 Aug 2024 783rd voytxt 🇨🇿 707 68 12ms 13 Sep 2024 783rd starfihs 707 68 12ms 26 Feb 2025 783rd gigaprofisi 🇺🇸 707 68 11ms 2 Mar 2025 783rd 0dyse 707 68 12ms 29 Apr 2025 783rd codewrite 🇬🇧 707 68 12ms 7 May 2025 783rd Voltrifrodec 🇸🇰 707 68 11ms 14 May 2025 783rd JOrE-Softwares 707 68 12ms 21 May 2025 783rd BenjaminHGong 707 68 12ms 23 May 2025 783rd sainiayush 707 68 12ms 14 Jul 2025 783rd GoldStar184 707 68 12ms 17 Jul 2025 783rd addmai 707 68 12ms 26 Jul 2025 783rd cthierfelder 🇲🇨 707 68 12ms 7 Aug 2025 783rd Upload-and-View 🇺🇦 707 68 12ms 9 Aug 2025 783rd Andrey2001 707 68 12ms 9 days ago 783rd JOrE20 🇺🇸 707 68 13ms 5 hours ago 880th TheRealOhead 🇺🇸 707 71 26ms 31 Mar 2023 First Prev 801–880 of 2,811 Next Last
