The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Fibonacci in Go 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 161st destofr 821 95 256ms 23 Aug 2022 161st jtaxen 821 95 257ms 30 Mar 2024 163rd nico-bachner 813 96 258ms 28 Dec 2020 164th guywithnose 804 97 260ms 12 May 2023 164th azure-blondon 804 97 269ms 7 May 2024 166th GameChaos 788 99 257ms 18 Apr 2020 166th eiburns 788 99 261ms 13 Jan 2022 168th JesseNoEyes 🇺🇸 780 100 266ms 25 Sep 2024 169th ahshum 772 101 252ms 20 Apr 2020 169th phpboyscout 772 101 256ms 26 May 2021 171st Mandrzejy 🇵🇱 750 104 264ms 16 Apr 2024 172nd MisterrLuck 743 105 253ms 13 Sep 2023 173rd martinschneider 736 106 254ms 21 Apr 2020 173rd Thund3rPat 736 106 257ms 30 Apr 2020 173rd mclbrian 736 106 254ms 19 Aug 2022 173rd zakariamouhid 736 106 258ms 10 Jan 2023 173rd Zach1031 736 106 255ms 15 Nov 2025 178th timpauls 729 107 261ms 29 Oct 2021 178th Pyro569 729 107 273ms 25 Jun 2023 180th MF-devs 703 111 262ms 16 Aug 2022 181st ze-h 🇺🇸 678 115 259ms 28 Feb 2022 182nd hotmanga 672 116 267ms 30 Oct 2023 182nd xbxbxb007 672 116 265ms 11 Jan 2024 184th henkman 655 119 260ms 1 Jun 2020 185th xnacly 🇩🇪 639 122 260ms 5 Jul 2023 186th Adix-null 🇱🇹 629 124 253ms 30 Jul 2023 187th Techassi 609 128 260ms 20 Apr 2020 187th sbercx 609 128 268ms 14 Jul 2021 187th cingulataluke 609 128 267ms 2 Jun 2024 190th ThomasDotCodes 605 129 259ms 15 Apr 2020 191st Bodo171 600 130 258ms 15 Jan 2023 192nd dillon-duncando 586 133 273ms 21 Dec 2021 192nd Mikey-Beep 🇬🇧 586 133 295ms 2 Oct 2022 194th rifatx 582 134 258ms 24 Jul 2024 195th ibeucaly 578 135 263ms 7 Oct 2022 195th sm1lko 578 135 264ms 14 Dec 2022 197th eli-siegel 574 136 269ms 23 Jun 2023 198th Kacarott 🇦🇺 561 139 277ms 29 Aug 2024 199th angelcerveraroldan 549 142 251ms 28 Aug 2020 200th mazzegi 545 143 263ms 19 Apr 2020 201st steven-purcell 523 149 263ms 28 Jul 2023 202nd DaCuteRaccoon 520 150 260ms 3 Apr 2022 203rd kypi 517 151 272ms 15 Feb 2021 204th DataResearch 513 152 257ms 2 Jan 2022 205th brandentimm 510 153 257ms 15 Apr 2020 206th Noah-Fox 443 176 263ms 1 Jun 2022 207th Intevel 🇩🇪 431 181 262ms 5 Jul 2023 207th HumanoidCPU 431 181 265ms 26 Aug 2024 209th KatieLG-Transpiler 🇬🇧 426 183 266ms 24 Jun 2022 210th kicco 411 190 272ms 20 Apr 2020 211th mokymok 🇺🇸 370 211 257ms 9 Nov 2021 212th retrohun 361 216 261ms 27 Dec 2022 212th Mabeloid 🇳🇴 361 216 260ms 18 Sep 2024 214th MikeyIO 336 232 270ms 15 Apr 2020 215th rtlopez796 326 239 264ms 2 Mar 2022 215th boykonet 326 239 274ms 5 Mar 2025 First Prev 161–216 of 216
