Fibonacci in Fortran in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Bytes Time Submitted 1st Lydxn 🇨🇦 1,000 44 46ms 14 Jul 2021 1st sisyphus-ppcg 🇦🇺 1,000 44 53ms 16 Sep 2021 1st primo-ppcg 🇹🇭 1,000 44 45ms 13 Dec 2021 1st prplz 🇦🇺 1,000 44 53ms 21 Dec 2021 1st SirBogman 🇺🇸 1,000 44 50ms 1 Jan 2022 1st btnlq 1,000 44 47ms 1 Feb 2022 1st ovs-code 🇩🇪 1,000 44 55ms 24 Aug 2023 1st marshallward 🇺🇸 1,000 44 45ms 1 Jan 2024 9th Tine86 957 46 41ms 20 Apr 2020 9th cure-honey 🇯🇵 957 46 48ms 1 May 2020 9th marcin7Cd 957 46 43ms 11 Oct 2020 9th LucaArgentiUCF 🇮🇹 957 46 44ms 28 Jan 2021 9th ZakkkkAttackkkk 🇵🇭 957 46 50ms 28 Jan 2022 9th stefangimmillaro 957 46 43ms 24 Sep 2022 9th MeWhenI 🇻🇦 957 46 44ms 14 Oct 2022 9th DialFrost 🇸🇬 957 46 42ms 20 Oct 2024 17th GrayJoKing 🇦🇺 898 49 43ms 17 Jan 2021 18th ivan-pi 🇸🇮 880 50 52ms 23 Jan 2023 18th Verlio-H 880 50 44ms 23 Dec 2023 18th Herbert00709 🇵🇱 880 50 47ms 1 Mar 2024 18th roupiq 🇵🇱 880 50 59ms 14 Mar 2024 18th dokutan 880 50 53ms 31 Oct 2024 18th albanian-laundromat 880 50 41ms 26 Aug 2025 24th Steffan153 🇫🇮 863 51 43ms 24 Jan 2023 25th Euler-37 846 52 56ms 4 Jun 2023 25th hacker112 🇸🇪 846 52 52ms 4 Jul 2024 27th jhpaques 🇫🇷 830 53 49ms 3 Dec 2022 27th Yewzir 🇧🇪 830 53 44ms 21 Nov 2023 27th wlaud9 830 53 44ms 5 Feb 2024 30th raphaelimahorn 815 54 47ms 2 Sep 2021 30th jared-hughes 815 54 44ms 3 Jan 2024 32nd Carltoffel 🇩🇪 786 56 46ms 29 Nov 2021 33rd Shanethegamer 🇺🇸 746 59 47ms 31 Dec 2023 34th CaedenHarper 🇨🇦 733 60 48ms 26 Aug 2025 35th trist224 🇫🇷 698 63 45ms 28 Nov 2022 35th oceko 698 63 54ms 28 Nov 2022 35th Anonymousellama21 698 63 42ms 9 Aug 2024 35th andrewjc2000 698 63 44ms 14 Jul 2025 39th ashtraypettingzoo 🇺🇸 688 64 43ms 21 Mar 2024 39th madeforlosers 688 64 45ms 21 Nov 2024 41st ytaki0801 🇯🇵 677 65 42ms 19 Jun 2021 41st Xwilarg 🇫🇷 677 65 49ms 17 Nov 2021 41st mathisfun271 677 65 48ms 22 Feb 2024 44th jvdp1 657 67 56ms 25 Dec 2020 44th msbranicky 657 67 47ms 3 Jul 2024 46th Andrey2001 647 68 41ms 11 hours ago 47th orthoplex 🇨🇽 638 69 52ms 22 Jan 2022 47th CedricGebistorf 638 69 42ms 4 Feb 2022 47th martinnorling 🇸🇪 638 69 48ms 8 Feb 2022 47th CheeseCake628 🇳🇴 638 69 49ms 11 Mar 2023 47th Maximizer02 638 69 53ms 1 Oct 2023 47th charliegaming 638 69 46ms 3 Oct 2023 47th jtaxen 638 69 43ms 30 Mar 2024 54th emgordon154 620 71 54ms 26 Jul 2024 55th ToE42 611 72 40ms 16 May 2025 56th epic-programmer-guy 571 77 42ms 1 Jan 2024 57th inverseLorentz 🇦🇺 557 79 42ms 21 Feb 2024 58th bac0id 543 81 44ms 18 Oct 2021 59th KatieLG 🇬🇧 537 82 40ms 30 Nov 2020 60th sech1p 🇵🇱 512 86 50ms 30 Oct 2021 61st BBoehm 🇩🇪 468 94 43ms 23 Dec 2020 61st snoozingnewt 🇺🇸 468 94 43ms 10 Oct 2025 63rd Garklein 🇨🇦 444 99 47ms 6 Jan 2022 64th Zach1031 431 102 38ms 3 days ago 65th sm1lko 423 104 55ms 14 Dec 2022 66th ashwinvis 341 129 42ms 18 Apr 2020 67th scpchicken 🇵🇼 275 160 53ms 22 Jan 2022 68th Noah-Fox 254 173 57ms 1 Jun 2022 69th Natanaelel 🇸🇪 243 181 57ms 28 May 2021 70th dillon-duncando 221 199 44ms 21 Dec 2021 71st retrohun 86 509 50ms 27 Dec 2022 71st HumanoidCPU 86 509 45ms 30 Jun 2025 73rd Adix-null 🇱🇹 73 602 47ms 30 Jul 2023 1–73 of 73
