Fibonacci in C 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 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 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 ArkScript 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 ArkScript 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 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 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 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 232nd Szum123321 🇵🇱 849 53 1ms 25 Nov 2023 232nd funnyboy-roks 849 53 2ms 14 Jun 2024 232nd Mychecksdead 849 53 2ms 25 Jul 2024 232nd NickTheEASDude 🇺🇸 849 53 2ms 29 Aug 2024 232nd snyderek 🇺🇸 849 53 2ms 20 Jan 2025 232nd ReterikHub 849 53 2ms 24 Apr 2025 232nd camren-m 849 53 1ms 23 May 2025 232nd arvidjonasson 849 53 2ms 7 Jun 2025 232nd VeryHolyCheeeese 🇫🇮 849 53 2ms 25 Jun 2025 250th redstarrer 833 54 1ms 12 Jan 2021 250th rqberry 833 54 1ms 8 Mar 2023 250th kyokucyou 🇩🇪 833 54 1ms 13 Mar 2023 250th nishantc1527 833 54 1ms 5 Apr 2023 250th Garklein 🇨🇦 833 54 1ms 23 Oct 2023 250th LHLaurini 🇧🇷 833 54 1ms 30 Jun 2024 250th Stockoh 🇫🇷 833 54 2ms 4 Nov 2024 250th heanyang1 833 54 1ms 22 Apr 2025 250th myirci 833 54 2ms 15 Jun 2025 250th blaztoma 🇱🇹 833 54 1ms 17 Aug 2025 250th Apataras 833 54 2ms 2 Sep 2025 261st rambox11 818 55 2ms 12 Mar 2019 261st AkashTandon167 818 55 1ms 25 Sep 2019 261st AasiApina 818 55 1ms 28 Jan 2020 261st minarjos 818 55 2ms 12 Jan 2021 261st rak1507 🇬🇧 818 55 1ms 1 Feb 2021 261st boxjelly 818 55 2ms 15 Feb 2021 261st ktiy 818 55 1ms 19 Apr 2021 261st starxingchenc 818 55 1ms 3 Jul 2021 261st blasio99 818 55 1ms 2 Nov 2021 261st rick-gnous 818 55 1ms 5 Nov 2021 261st LorenzoDeGaspari 818 55 2ms 20 Jun 2022 261st AnnoyedArt1256 818 55 1ms 19 Aug 2022 261st ndren 818 55 1ms 6 Aug 2023 261st triedel42 818 55 1ms 15 May 2024 261st Mabeloid 🇳🇴 818 55 2ms 23 Oct 2025 276th alexjlaberge 804 56 1ms 8 Mar 2019 276th serenac26 804 56 1ms 2 May 2019 276th shuding 804 56 1ms 12 May 2020 276th ytaki0801 🇯🇵 804 56 1ms 19 Jun 2021 276th jgbaldwinbrown 804 56 1ms 2 Jul 2021 276th ACMichels 804 56 1ms 13 Aug 2021 276th LordAzyks 🇫🇷 804 56 1ms 30 Jun 2022 276th MCausc78 🇺🇦 804 56 1ms 5 Jan 2023 276th aevykt 804 56 1ms 29 Oct 2023 276th DevinJFarmer 804 56 1ms 29 Oct 2023 276th ashtraypettingzoo 🇺🇸 804 56 1ms 19 Mar 2024 276th 2022dyx 804 56 2ms 19 Jul 2024 276th madeforlosers 804 56 2ms 22 Nov 2024 276th desecaw13 804 56 2ms 24 Jan 2025 276th Emutis 🇱🇹 804 56 2ms 16 Aug 2025 276th ApoChagi 804 56 1ms 21 Oct 2025 276th deglebe 804 56 2ms 3 Nov 2025 293rd ahenningsen 789 57 1ms 5 May 2019 293rd ieeemma 789 57 2ms 30 Apr 2020 293rd agrukuki 789 57 1ms 20 Sep 2020 293rd ngocbd 🇻🇳 789 57 1ms 25 Sep 2020 293rd iznax 789 57 1ms 16 Oct 2020 293rd b-paul 789 57 1ms 25 Dec 2020 293rd TheHammerBro 789 57 1ms 30 Apr 2021 293rd shibacho 🇯🇵 789 57 1ms 18 Mar 2022 293rd AndreaNeti 789 57 3ms 16 Jun 2022 293rd menezesd 789 57 2ms 1 Dec 2022 293rd Ripick 789 57 1ms 30 Apr 2023 293rd imma-Spring 789 57 1ms 2 Nov 2023 293rd rsgray 789 57 2ms 29 Dec 2023 293rd loganmacdougall 🇨🇦 789 57 1ms 19 Jan 2024 293rd jbjd 789 57 1ms 24 Feb 2024 293rd Jigglypuffed 789 57 1ms 15 Jul 2025 293rd KAKISKA-code 🇫🇮 789 57 1ms 24 Sep 2025 293rd FortuiteMan 🇫🇷 789 57 2ms 28 Nov 2025 293rd Pyroan 789 57 2ms 20 days ago 312th MadMax129 776 58 2ms 25 Dec 2019 312th bastienvoirin 🇫🇷 776 58 1ms 24 Apr 2020 312th iddoroshenko 776 58 1ms 27 Jul 2020 312th LexouDuck 776 58 1ms 24 Oct 2020 312th Evoniuk 776 58 1ms 30 May 2021 312th KatieLG 🇬🇧 776 58 2ms 19 Jun 2021 312th AIn0n 776 58 2ms 11 Jul 2021 312th garrisonhh 776 58 2ms 15 Aug 2021 312th bakaq 776 58 1ms 9 Nov 2021 First Prev 241–320 of 594 Next Last