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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 134th RealAMC 🇳🇿 918 49 2ms 24 Nov 2023 134th oceko 918 49 2ms 13 Feb 2024 134th error256 918 49 2ms 29 Aug 2024 134th stackofbears 918 49 2ms 20 Jan 2025 134th TeodorDyakov 🇧🇬 918 49 1ms 3 Mar 2025 134th 5quiwyrm 918 49 2ms 28 Jul 2025 134th Andrey2001 918 49 2ms 4 hours ago 158th osmith93 900 50 2ms 31 Mar 2019 158th kevokevol 900 50 1ms 28 Apr 2019 158th AaronGarbut 900 50 2ms 1 Aug 2019 158th xenophobia 900 50 2ms 13 Aug 2019 158th bengsparks 900 50 2ms 24 Jan 2020 158th paralysedforce 900 50 4ms 6 Dec 2020 158th gastropner 900 50 2ms 23 Dec 2020 158th SnapDragon64 900 50 2ms 3 Feb 2021 158th guliyevemil1 🇦🇿 900 50 2ms 3 Feb 2021 158th ccecka 900 50 2ms 27 Aug 2021 158th ColesHoles 900 50 2ms 6 Oct 2021 158th tegenton 900 50 2ms 6 Oct 2021 158th Hecate2 900 50 2ms 26 Oct 2021 158th yzkonchain 900 50 2ms 26 Oct 2021 158th thebuilder6 🇺🇸 900 50 2ms 22 Nov 2021 158th simon-biber 900 50 2ms 5 Feb 2022 158th MinorLegato 🇸🇪 900 50 2ms 5 May 2022 158th kskjer 900 50 2ms 12 Jun 2022 158th ColeBardin 900 50 2ms 30 Jul 2022 158th astdefu 900 50 2ms 10 Dec 2022 158th bac0id 900 50 2ms 26 Sep 2023 158th gussy420 900 50 2ms 28 Oct 2023 158th Grrisly 900 50 2ms 3 Nov 2023 158th Noam527 900 50 2ms 4 Apr 2024 158th Emsa001 900 50 2ms 18 May 2024 158th not-a-pokemon 900 50 2ms 14 May 2025 184th atakan-se 882 51 2ms 24 Sep 2020 184th iannisdezwart 🇳🇱 882 51 2ms 1 Feb 2021 184th jeremy-murphy 882 51 2ms 20 Mar 2021 184th Heathcorp 🇦🇺 882 51 2ms 31 Mar 2022 184th warmCabin 882 51 2ms 9 Apr 2022 184th ibexq 882 51 2ms 30 Sep 2022 184th aksyristos 882 51 2ms 17 Jan 2023 184th annoj 882 51 3ms 18 Jan 2023 184th Cloakless 🇬🇧 882 51 2ms 17 Feb 2023 184th olishenton 882 51 2ms 17 Feb 2023 184th Tavress 882 51 2ms 11 May 2023 184th annaproxy 882 51 2ms 18 May 2023 184th funnsam 🇭🇰 882 51 2ms 12 Jun 2023 184th sona-tau 882 51 2ms 26 Aug 2023 184th jacobly0 🇺🇸 882 51 2ms 4 Sep 2023 184th Kesefon 882 51 1ms 24 Oct 2023 184th elgan65536 882 51 2ms 11 Nov 2023 184th ngthanhtrung23 882 51 2ms 7 Mar 2024 184th Xzyaihni 882 51 2ms 26 Apr 2024 184th 0scarB 882 51 2ms 15 Jun 2024 184th hrrs01 882 51 2ms 20 Aug 2024 184th LostSyntax21 🇬🇧 882 51 1ms 10 Sep 2024 184th bo1led-owl 882 51 2ms 14 Sep 2024 184th SirObby 🇫🇮 882 51 2ms 26 Jun 2025 208th clementblaudeau 865 52 2ms 7 Jun 2021 208th yudi-matsuzake 865 52 2ms 11 Aug 2021 208th Bobini1 🇵🇱 865 52 2ms 29 Oct 2021 208th wirewolf010 865 52 2ms 6 Jan 2022 208th CedricGebistorf 865 52 2ms 4 Mar 2022 208th Anonymousellama21 865 52 3ms 8 Jun 2022 208th jupj 🇫🇮 865 52 2ms 12 Aug 2022 208th slerpyyy 🇩🇪 865 52 2ms 21 Oct 2022 208th thatbirdguythatuknownot 865 52 2ms 8 Jan 2023 208th LogicalJoe 865 52 2ms 18 Mar 2023 208th yzhs 🇩🇪 865 52 2ms 23 Jun 2023 208th weliveinhell 🇭🇹 865 52 2ms 28 Dec 2023 208th voytxt 🇨🇿 865 52 1ms 11 Mar 2024 208th HumanoidCPU 865 52 2ms 16 Mar 2024 208th ibrahimhanifceker 865 52 2ms 9 Aug 2024 208th kTheLemon 865 52 2ms 16 Mar 2025 208th Blendi-Goose 865 52 2ms 16 Mar 2025 208th Lv0Sys 🇵🇱 865 52 2ms 30 May 2025 First Prev 151–225 of 566 Next Last