Fibonacci in C++ in bytes. 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 Bytes Time Submitted 61st CaedenHarper 🇨🇦 986 70 57ms 30 Oct 2025 82nd Re-Adventures 🇮🇳 972 71 58ms 8 Jan 2022 82nd MichaelMBradley 🇨🇦 972 71 58ms 21 Mar 2022 82nd michael-pruglo 🇺🇦 972 71 60ms 14 Jun 2022 82nd solmyr2000 972 71 57ms 18 Jun 2022 82nd annaproxy 972 71 55ms 8 Jan 2023 82nd southpolenator 972 71 63ms 11 Jun 2023 82nd 4QT0R 972 71 58ms 22 Nov 2023 82nd MateuszPietrzak 🇵🇱 972 71 59ms 11 Dec 2023 82nd mathisfun271 972 71 61ms 19 Feb 2024 82nd zygoloid 972 71 59ms 3 Aug 2024 82nd madex 🇩🇪 972 71 63ms 21 days ago 93rd BisheruBlade888 958 72 58ms 6 Jan 2022 93rd raphaelimahorn 958 72 471ms 3 Oct 2022 93rd jhpaques 🇫🇷 958 72 58ms 3 Dec 2022 93rd Parma-Jon 958 72 472ms 20 Mar 2023 93rd ehulinsky 🇺🇸 958 72 450ms 16 Feb 2024 93rd HumanoidCPU 958 72 60ms 16 Mar 2024 93rd dokutan 958 72 57ms 13 Jul 2024 93rd ReterikHub 958 72 57ms 7 Sep 2024 93rd andrewjc2000 958 72 58ms 14 Jul 2025 93rd gjoacorp 🇬🇧 958 72 59ms 3 Aug 2025 93rd Andrey2001 958 72 60ms 25 Nov 2025 104th NewDefectus 🇮🇱 945 73 451ms 4 Jan 2022 104th Heathcorp 🇦🇺 945 73 56ms 31 Mar 2022 104th sona-tau 945 73 64ms 26 Aug 2023 104th Natanaelel 🇸🇪 945 73 445ms 4 Apr 2024 104th LostSyntax21 🇬🇧 945 73 59ms 10 Sep 2024 104th Lv0Sys 🇵🇱 945 73 60ms 31 May 2025 104th balloffur 945 73 64ms 7 Dec 2025 104th aksyristos 945 73 57ms 6 days ago 104th jusaka 945 73 62ms 3 days ago 113th Gosefu 932 74 59ms 29 Mar 2022 113th trist224 🇫🇷 932 74 446ms 9 Nov 2022 113th veehz 932 74 58ms 21 Feb 2023 113th ngthanhtrung23 932 74 70ms 13 Mar 2024 113th eMGeeneer 932 74 448ms 31 Jul 2024 113th Mukundan314 932 74 439ms 31 May 2025 113th CornerMercury 🇬🇧 932 74 58ms 19 Dec 2025 120th namcartoon06 920 75 61ms 30 Jun 2023 120th Jonatan6 🇩🇰 920 75 61ms 3 Aug 2023 120th RedzGoose 🇦🇺 920 75 446ms 13 Jun 2024 120th wh3n3v3r 🇨🇿 920 75 57ms 15 Nov 2024 120th albanian-laundromat 920 75 57ms 24 days ago 125th scpchicken 🇵🇼 908 76 447ms 4 Feb 2023 125th klixel 🇨🇦 908 76 442ms 16 Apr 2023 125th nyoshe 908 76 439ms 24 Sep 2023 125th dpethes 908 76 65ms 9 Jan 2024 125th quantomjona 908 76 437ms 15 May 2025 125th Apataras 908 76 59ms 20 Jun 2025 131st 5quiwyrm 896 77 61ms 31 Aug 2022 131st arvidjonasson 896 77 57ms 7 Jun 2025 131st peachey2k2 896 77 66ms 22 Nov 2025 134th simon-biber 885 78 58ms 5 Feb 2022 134th cmayer777 885 78 61ms 6 Jan 2023 134th rqberry 885 78 63ms 8 Mar 2023 134th speles 🇺🇦 885 78 63ms 12 Nov 2023 134th 1231234md5 🇨🇳 885 78 62ms 20 Jan 2024 134th ibrahimhanifceker 885 78 56ms 9 Aug 2024 134th tte0 885 78 56ms 9 Aug 2024 134th desecaw13 885 78 60ms 24 Jan 2025 134th blaztoma 🇱🇹 885 78 58ms 17 Aug 2025 134th matejmatik123 🇸🇰 885 78 1,350ms 26 Sep 2025 134th WildTooth 885 78 60ms 10 Oct 2025 134th Matter1024 🇮🇳 885 78 55ms 6 days ago 146th osmith93 873 79 65ms 12 Jun 2022 146th Santarii 873 79 61ms 10 Jul 2022 146th kellantech 873 79 59ms 10 Jul 2023 146th dranjohn 873 79 60ms 11 Sep 2023 146th madeforlosers 873 79 60ms 22 Nov 2024 146th myirci 873 79 60ms 15 Jun 2025 152nd JGDoerrer 863 80 440ms 14 Jan 2022 152nd Adix-null 🇱🇹 863 80 54ms 1 Feb 2024 152nd Dpxx 863 80 59ms 6 Aug 2024 152nd RobertBurs 863 80 55ms 29 Sep 2025 152nd Pyroan 863 80 60ms 17 Dec 2025 152nd samuel-thesing 🇩🇪 863 80 1,352ms 7 Jan 2026 158th hjcafaroUC 852 81 64ms 25 Aug 2022 158th nstearns96 🇬🇧 852 81 59ms 15 Dec 2022 158th retrohun 852 81 60ms 21 Dec 2022 First Prev 81–160 of 322 Next Last