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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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 191st Tavress 882 51 1ms 11 May 2023 191st annaproxy 882 51 1ms 18 May 2023 191st funnsam 🇭🇰 882 51 1ms 12 Jun 2023 191st sona-tau 882 51 1ms 26 Aug 2023 191st jacobly0 🇺🇸 882 51 1ms 4 Sep 2023 191st Kesefon 882 51 1ms 24 Oct 2023 191st elgan65536 🇺🇸 882 51 1ms 11 Nov 2023 191st ngthanhtrung23 882 51 1ms 7 Mar 2024 191st Xzyaihni 882 51 1ms 26 Apr 2024 191st 0scarB 882 51 1ms 15 Jun 2024 191st hrrs01 882 51 1ms 20 Aug 2024 191st LostSyntax21 🇬🇧 882 51 1ms 10 Sep 2024 191st bo1led-owl 882 51 1ms 14 Sep 2024 191st SirObby 🇫🇮 882 51 2ms 26 Jun 2025 191st ComradeSquirrel 882 51 2ms 5 days ago 216th clementblaudeau 865 52 1ms 7 Jun 2021 216th yudi-matsuzake 865 52 1ms 11 Aug 2021 216th Bobini1 🇵🇱 865 52 1ms 29 Oct 2021 216th wirewolf010 865 52 1ms 6 Jan 2022 216th CedricGebistorf 865 52 2ms 4 Mar 2022 216th Anonymousellama21 865 52 1ms 8 Jun 2022 216th jupj 🇫🇮 865 52 1ms 12 Aug 2022 216th slerpyyy 🇩🇪 865 52 1ms 21 Oct 2022 216th thatbirdguythatuknownot 865 52 1ms 8 Jan 2023 216th LogicalJoe 865 52 1ms 18 Mar 2023 216th yzhs 🇩🇪 865 52 1ms 23 Jun 2023 216th weliveinhell 🇭🇹 865 52 2ms 28 Dec 2023 216th voytxt 🇨🇿 865 52 1ms 11 Mar 2024 216th HumanoidCPU 865 52 1ms 16 Mar 2024 216th ibrahimhanifceker 865 52 2ms 9 Aug 2024 216th kTheLemon 865 52 1ms 16 Mar 2025 216th Blendi-Goose 865 52 1ms 16 Mar 2025 216th Lv0Sys 🇵🇱 865 52 1ms 30 May 2025 216th trinityy-7 865 52 2ms 7 Aug 2025 216th prestosilver 🇺🇸 865 52 2ms 21 Nov 2025 216th balloffur 865 52 2ms 7 Dec 2025 216th madeforlosers 865 52 2ms 17 Mar 2026 238th AbhayAravinda 849 53 1ms 26 Jul 2020 238th neihousaigaai 849 53 1ms 8 May 2021 238th mohakkhowal 849 53 1ms 30 May 2021 238th puyuliao 849 53 1ms 26 Jul 2021 238th Bubbler-4 849 53 1ms 3 Nov 2021 238th c0d3-4-F00d 🇩🇪 849 53 5ms 6 Jan 2022 238th Gosefu 849 53 1ms 13 Jul 2022 238th raphaelimahorn 849 53 1ms 3 Oct 2022 238th namcartoon06 849 53 1ms 30 Jun 2023 238th Szum123321 🇵🇱 849 53 1ms 25 Nov 2023 238th funnyboy-roks 849 53 2ms 14 Jun 2024 238th Mychecksdead 849 53 1ms 25 Jul 2024 238th NickTheEASDude 🇺🇸 849 53 2ms 29 Aug 2024 238th snyderek 🇺🇸 849 53 1ms 20 Jan 2025 238th ReterikHub 849 53 1ms 24 Apr 2025 238th camren-m 849 53 1ms 23 May 2025 238th arvidjonasson 849 53 2ms 7 Jun 2025 238th VeryHolyCheeeese 🇫🇮 849 53 2ms 25 Jun 2025 238th Matter1024 🇮🇳 849 53 2ms 30 Mar 2026 257th redstarrer 833 54 1ms 12 Jan 2021 257th rqberry 833 54 1ms 8 Mar 2023 257th kyokucyou 🇩🇪 833 54 1ms 13 Mar 2023 257th nishantc1527 833 54 1ms 5 Apr 2023 257th Garklein 🇨🇦 833 54 1ms 23 Oct 2023 257th LHLaurini 🇧🇷 833 54 1ms 30 Jun 2024 257th Stockoh 🇫🇷 833 54 1ms 4 Nov 2024 257th heanyang1 833 54 1ms 22 Apr 2025 257th myirci 833 54 2ms 15 Jun 2025 257th blaztoma 🇱🇹 833 54 1ms 17 Aug 2025 257th Apataras 833 54 1ms 2 Sep 2025 257th Pyroan 833 54 2ms 20 Mar 2026 269th rambox11 818 55 1ms 12 Mar 2019 269th AkashTandon167 818 55 1ms 25 Sep 2019 269th AasiApina 818 55 1ms 28 Jan 2020 269th minarjos 818 55 2ms 12 Jan 2021 269th rak1507 🇬🇧 818 55 1ms 1 Feb 2021 269th boxjelly 818 55 1ms 15 Feb 2021 269th ktiy 818 55 1ms 19 Apr 2021 269th starxingchenc 818 55 1ms 3 Jul 2021 269th blasio99 818 55 1ms 2 Nov 2021 269th rick-gnous 818 55 1ms 5 Nov 2021 269th LorenzoDeGaspari 818 55 1ms 20 Jun 2022 269th AnnoyedArt1256 818 55 1ms 19 Aug 2022 269th ndren 818 55 1ms 6 Aug 2023 269th triedel42 818 55 1ms 15 May 2024 269th Mabeloid 🇳🇴 818 55 1ms 23 Oct 2025 284th alexjlaberge 804 56 1ms 8 Mar 2019 284th serenac26 804 56 1ms 2 May 2019 284th shuding 804 56 1ms 12 May 2020 284th ytaki0801 🇯🇵 804 56 1ms 19 Jun 2021 284th jgbaldwinbrown 804 56 1ms 2 Jul 2021 284th ACMichels 804 56 1ms 13 Aug 2021 284th LordAzyks 🇫🇷 804 56 1ms 30 Jun 2022 284th MCausc78 🇺🇦 804 56 1ms 5 Jan 2023 284th aevykt 804 56 1ms 29 Oct 2023 284th DevinJFarmer 804 56 1ms 29 Oct 2023 284th ashtraypettingzoo 🇺🇸 804 56 1ms 19 Mar 2024 284th 2022dyx 804 56 2ms 19 Jul 2024 284th desecaw13 804 56 1ms 24 Jan 2025 284th Emutis 🇱🇹 804 56 2ms 16 Aug 2025 284th ApoChagi 804 56 1ms 21 Oct 2025 284th deglebe 804 56 2ms 3 Nov 2025 284th JOrE20 804 56 2ms 3 Feb 2026 First Prev 201–300 of 606 Next Last