Fibonacci in Ruby 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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ArkScript 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 ><> 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 ArkScript 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 158th anishghosh103 735 34 37ms 15 Mar 2020 158th theLobsterRevolution 735 34 36ms 30 Dec 2020 158th raphaelimahorn 735 34 38ms 2 Sep 2021 158th lilyyy411 735 34 38ms 10 Sep 2021 158th bac0id 735 34 35ms 18 Oct 2021 158th AIn0n 735 34 37ms 1 Dec 2021 158th MichaelMBradley 🇨🇦 735 34 38ms 21 Mar 2022 158th oceko 735 34 37ms 26 Nov 2022 158th nstearns96 🇬🇧 735 34 38ms 15 Dec 2022 158th CheeseCake628 🇳🇴 735 34 40ms 15 Feb 2023 158th epic-programmer-guy 735 34 37ms 15 Dec 2023 158th stellartux 735 34 36ms 24 Dec 2023 158th hellopatrick 735 34 34ms 26 Dec 2023 158th Lv0Sys 🇵🇱 735 34 37ms 31 May 2025 158th albanian-laundromat 735 34 35ms 2 Oct 2025 158th Andrey2001 735 34 38ms 25 Nov 2025 158th TheZwierzLF 🇵🇱 735 34 43ms 20 Dec 2025 178th JKHiggins 714 35 37ms 27 Jun 2019 178th jetpks 714 35 36ms 27 Jun 2019 178th idoschor 714 35 39ms 30 Nov 2020 178th bbakersmith 714 35 37ms 30 Jul 2021 178th FnControlOption 714 35 36ms 21 Aug 2022 178th cefqrn 714 35 35ms 26 May 2024 178th madeforlosers 714 35 39ms 22 Nov 2024 178th denkyuu1 714 35 37ms 8 hours ago 186th Mir0ff944 694 36 38ms 24 Oct 2019 187th iamsolarpowered 676 37 34ms 15 Dec 2017 187th Boostik 676 37 38ms 7 Jan 2018 187th robymus 676 37 35ms 17 Sep 2018 187th boxjelly 676 37 35ms 9 Feb 2021 187th 5quiwyrm 676 37 37ms 31 Aug 2022 187th truisseaux 676 37 39ms 4 Sep 2024 187th edsrzf 🇳🇿 676 37 35ms 13 Sep 2024 194th Pyroan 658 38 36ms 17 Dec 2025 195th stevehodges 641 39 35ms 8 Nov 2017 195th JeremyC-za 641 39 35ms 9 Nov 2017 195th angetheo 641 39 36ms 19 Jan 2018 195th sacthedev 641 39 39ms 3 Apr 2018 195th okkun-oreo 641 39 36ms 2 Nov 2020 195th TheRealOhead 🇺🇸 641 39 37ms 24 Nov 2022 195th madex 🇩🇪 641 39 37ms 20 Jul 2024 195th Maximizer02 641 39 37ms 17 Sep 2025 203rd yokasuretsu 625 40 33ms 16 Apr 2018 203rd atsushiootani 625 40 36ms 7 Aug 2018 203rd esmg1 625 40 37ms 22 Aug 2018 203rd MichalMarsalek 🇨🇿 625 40 39ms 2 Sep 2022 203rd Heathcorp 🇦🇺 625 40 35ms 26 Nov 2022 203rd nortonbatista 625 40 36ms 31 Oct 2023 209th JRaspass 🇬🇧 610 41 34ms 23 Mar 2021 209th MCausc78 🇺🇦 610 41 36ms 29 Dec 2022 209th lgrandco 610 41 35ms 9 Oct 2024 212th tadd 595 42 37ms 16 Apr 2020 212th Ralac07 🇦🇺 595 42 37ms 17 Jun 2024 212th Just4FunCoder 595 42 36ms 26 Aug 2024 215th evanSpendlove 581 43 39ms 10 Dec 2020 216th biji1 568 44 40ms 26 Apr 2018 216th martica 568 44 43ms 20 May 2018 216th msbranicky 568 44 41ms 7 Sep 2023 219th greghull 556 45 43ms 8 Nov 2017 219th Noxilex 556 45 38ms 20 Mar 2019 219th ashtraypettingzoo 🇺🇸 556 45 35ms 16 Feb 2023 219th hacker112 🇸🇪 556 45 34ms 1 Jul 2024 223rd adoxography 543 46 210ms 20 Sep 2018 223rd CaAlden 543 46 36ms 10 May 2019 223rd Ronterox 543 46 35ms 13 days ago 226th snltd 532 47 38ms 18 Aug 2019 226th michaelbaudino 532 47 215ms 18 Oct 2020 226th JesseNoEyes 🇺🇸 532 47 37ms 26 Sep 2024 226th Mikey-Beep 🇬🇧 532 47 36ms 20 Aug 2025 230th timcustard 521 48 38ms 10 Nov 2017 230th sech1p 🇵🇱 521 48 35ms 30 Dec 2020 230th martinnorling 🇸🇪 521 48 36ms 6 Feb 2022 230th purp 521 48 35ms 13 Aug 2022 230th eiburns 521 48 39ms 7 Sep 2023 230th SwordF-Official 🇺🇸 521 48 37ms 2 Jun 2025 236th illegalnumbers 510 49 34ms 27 Jun 2019 236th b-paul 510 49 41ms 25 Dec 2020 238th babcockd 500 50 36ms 19 Dec 2017 239th lbrito1 490 51 213ms 8 Jan 2022 239th azure-blondon 490 51 37ms 10 Jul 2024 First Prev 161–240 of 279 Next Last