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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 53rd Bmrl7 957 47 1ms 4 Aug 2023 53rd GolfingSuccess 🇬🇷 957 47 1ms 3 Nov 2023 53rd speles 🇺🇦 957 47 1ms 6 Nov 2023 53rd emplv 🇱🇻 957 47 2ms 11 Dec 2023 53rd drabart 🇵🇱 957 47 1ms 11 Dec 2023 53rd giacomogallina 957 47 1ms 14 Dec 2023 53rd trist224 🇫🇷 957 47 2,219ms 14 Feb 2024 53rd mathisfun271 957 47 1ms 14 Feb 2024 53rd ehulinsky 🇺🇸 957 47 1ms 15 Feb 2024 53rd neel11235813 957 47 2ms 26 Mar 2024 53rd Flying-Toast 957 47 1ms 25 Apr 2024 53rd jipsong 🇩🇪 957 47 2ms 1 Jul 2024 53rd Kacarott 🇦🇺 957 47 1ms 29 Aug 2024 53rd edsrzf 🇳🇿 957 47 1ms 12 Sep 2024 53rd AdrienHache 🇫🇷 957 47 1ms 16 Dec 2024 53rd rucin93 🇵🇱 957 47 1ms 16 Jan 2025 53rd Natanaelel 🇸🇪 957 47 1ms 24 Jan 2025 53rd emgordon154 957 47 2ms 1 Jun 2025 53rd luuumine 🇫🇷 957 47 2ms 23 Oct 2025 53rd ansgustjd 957 47 2ms 5 Nov 2025 53rd bzd7 957 47 2ms 7 Dec 2025 102nd madeve-unipi 938 48 1ms 8 Oct 2019 102nd Alesun 🇮🇹 938 48 1ms 15 Oct 2019 102nd BenAns 938 48 1ms 18 Sep 2020 102nd BBoehm 🇩🇪 938 48 1ms 10 Dec 2020 102nd Indivicivet 938 48 1ms 16 Mar 2021 102nd Stenzel 938 48 1ms 20 Mar 2021 102nd tsunderu 🇯🇵 938 48 1ms 13 Sep 2021 102nd solmyr2000 938 48 1ms 18 Jun 2022 102nd michael-pruglo 🇺🇦 938 48 1ms 13 Jul 2022 102nd syntax-rules 938 48 1ms 25 Dec 2022 102nd CatsAreFluffy 938 48 1ms 18 Feb 2023 102nd Parma-Jon 938 48 2ms 20 Mar 2023 102nd cesarm4 938 48 1ms 5 May 2023 102nd southpolenator 938 48 1ms 11 Jun 2023 102nd nyoshe 938 48 2ms 30 Jun 2023 102nd ListeriaM 938 48 1ms 21 Aug 2023 102nd elttil 938 48 1ms 13 Oct 2023 102nd ihebu 🇹🇳 938 48 1ms 20 Dec 2023 102nd YellowBunnyGit 938 48 1ms 28 Dec 2023 102nd retrohun 938 48 1ms 13 Jan 2024 102nd quesswho 🇸🇪 938 48 1ms 31 Mar 2024 102nd Us1ngTh3Hub 938 48 1ms 2 Apr 2024 102nd IlkkaTakala 938 48 2ms 29 Apr 2024 102nd Vinterion 938 48 1ms 10 Jun 2024 102nd dokutan 938 48 1ms 13 Jul 2024 102nd wuzekai518 938 48 1ms 24 Jul 2024 102nd Jacob385 938 48 2ms 30 Jul 2024 102nd rniii 938 48 1ms 24 Sep 2024 102nd CaedenHarper 🇨🇦 938 48 1ms 19 Nov 2024 102nd kdx2a 938 48 1ms 11 Feb 2025 102nd plcc0 938 48 1ms 27 Mar 2025 102nd Babafaba 938 48 1ms 23 Oct 2025 102nd peachey2k2 938 48 2ms 22 Nov 2025 102nd Languag3 938 48 2ms 18 Dec 2025 102nd TeodorDyakov 🇧🇬 938 48 2ms 19 Jan 2026 102nd albanian-laundromat 938 48 2ms 20 Jan 2026 138th DavidSkrundz 918 49 1ms 25 Jan 2020 138th hugohutri 918 49 2ms 28 Jan 2020 138th JuhoHeiskanen 918 49 1ms 19 Feb 2020 138th Sayan505 🇮🇳 918 49 1ms 23 Feb 2020 138th marcin7Cd 918 49 1ms 15 May 2020 138th nexaitch 918 49 2ms 6 Jul 2020 138th nairda1705 918 49 1ms 16 Oct 2020 138th djeedjay 🇳🇱 918 49 1ms 25 Oct 2020 138th Re-Adventures 🇮🇳 918 49 1ms 13 Apr 2021 138th Spruill-1 918 49 1ms 1 Sep 2021 138th Waffle3z 918 49 1ms 2 Sep 2021 138th MichaelMBradley 🇨🇦 918 49 1ms 21 Mar 2022 138th orthoplex 🇨🇽 918 49 1ms 6 Apr 2022 138th jhpaques 🇫🇷 918 49 1ms 3 Dec 2022 138th cmayer777 918 49 1ms 6 Jan 2023 138th scpchicken 🇵🇼 918 49 1ms 8 Jan 2023 138th tailorspy 918 49 2ms 14 Sep 2023 138th RealAMC 🇳🇿 918 49 2ms 24 Nov 2023 138th oceko 918 49 1ms 13 Feb 2024 138th error256 918 49 1ms 29 Aug 2024 138th stackofbears 918 49 2ms 20 Jan 2025 138th 5quiwyrm 918 49 2ms 28 Jul 2025 138th Andrey2001 918 49 2ms 25 Nov 2025 First Prev 81–160 of 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