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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 Huffman Encoder 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 Huffman Encoder 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 88th plcc0 962 53 433ms 28 Mar 2025 88th gigaprofisi 🇺🇸 962 53 447ms 15 Nov 2025 88th dokutan 962 53 406ms 18 Nov 2025 88th matanberstadt 962 53 409ms 17 days ago 105th AdrialaD 944 54 402ms 21 Nov 2021 105th aliakseikalosha 944 54 430ms 21 Nov 2021 105th cros107 🇦🇺 944 54 379ms 21 Nov 2021 105th iznax 944 54 390ms 21 Nov 2021 105th simon-biber 944 54 404ms 5 Feb 2022 105th arctouch-sergeymetlov 944 54 379ms 30 Jan 2023 105th arctouch-cristiannevianna 944 54 371ms 30 Jan 2023 105th Adix-null 🇱🇹 944 54 392ms 4 Jul 2023 105th BREMAUCY 🇫🇷 944 54 377ms 18 Jul 2023 105th mathisfun271 944 54 380ms 21 Feb 2024 105th HumanoidCPU 944 54 364ms 16 Mar 2024 105th andrewjc2000 944 54 415ms 7 Mar 2025 105th Theremon72 944 54 403ms 12 Mar 2025 105th matejmatik123 🇸🇰 944 54 393ms 12 Aug 2025 105th kasarino 944 54 427ms 17 Mar 2026 120th Hankinabag 927 55 380ms 21 Nov 2021 120th Jeffreyvde 927 55 420ms 21 Nov 2021 120th Rens-br 927 55 389ms 21 Nov 2021 120th fredrik-bakke 🇳🇴 927 55 393ms 27 Mar 2022 120th Matgc04 927 55 374ms 31 May 2023 120th ComradeSquirrel 927 55 401ms 8 days ago 126th joelgduggan 911 56 383ms 21 Nov 2021 126th marcin7Cd 911 56 362ms 21 Nov 2021 126th pan4ever 911 56 366ms 21 Nov 2021 126th MichaelMBradley 🇨🇦 911 56 404ms 21 Mar 2022 126th hamhub7 911 56 373ms 5 Aug 2022 126th madeforlosers 911 56 379ms 22 Nov 2024 126th SwordF-Official 🇺🇸 911 56 401ms 12 Apr 2025 126th blaztoma 🇱🇹 911 56 406ms 17 Aug 2025 134th Rhexis 895 57 400ms 21 Nov 2021 134th roavin 895 57 359ms 24 Jun 2022 134th Seanharrs 🇦🇺 895 57 391ms 25 Aug 2022 134th Tavress 895 57 403ms 11 May 2023 134th postie77 895 57 376ms 19 May 2023 134th RandGuy 895 57 371ms 25 Jan 2024 134th ashtraypettingzoo 🇺🇸 895 57 393ms 19 Mar 2024 134th ertz1ertz 895 57 368ms 12 Jul 2024 134th gblikas 895 57 380ms 17 Aug 2024 134th arcpolaris 895 57 430ms 12 Dec 2024 134th CheeseCake628 🇳🇴 895 57 416ms 17 Jul 2025 134th Emutis 🇱🇹 895 57 431ms 16 Aug 2025 134th amazingalek 🇳🇴 895 57 451ms 20 Dec 2025 134th michelebastione 🇮🇹 895 57 404ms 44 hours ago 148th AndrewSalls 879 58 371ms 21 Nov 2021 148th aplato 879 58 422ms 21 Nov 2021 148th stdstijn 879 58 369ms 21 Nov 2021 148th magnusbakken 879 58 355ms 6 Dec 2021 148th p-vf 🇨🇭 879 58 365ms 16 Jul 2022 148th neel11235813 879 58 396ms 26 Mar 2024 148th Just4FunCoder 879 58 417ms 26 Aug 2024 148th WalrusesAreAwesome 879 58 428ms 25 Mar 2025 156th kebal2 864 59 354ms 21 Nov 2021 156th tdkkdt 🇷🇺 864 59 392ms 21 Nov 2021 156th arctouch-andresato 864 59 410ms 11 Nov 2022 156th maki-chan 864 59 381ms 9 Jun 2023 156th LS2021 864 59 364ms 23 Nov 2023 156th acotis 864 59 387ms 11 Jan 2025 156th 123mjb 864 59 391ms 23 Jun 2025 156th ibiza240 864 59 387ms 21 Sep 2025 156th tomh1012 864 59 418ms 3 Dec 2025 156th bpharaldsson 864 59 481ms 4 Feb 2026 166th Bobini1 🇵🇱 850 60 362ms 21 Nov 2021 166th JDiLenarda 🇫🇷 850 60 384ms 21 Nov 2021 166th najs91 850 60 427ms 21 Nov 2021 166th yzhs 🇩🇪 850 60 395ms 21 Nov 2021 166th joharasmus 🇸🇪 850 60 377ms 19 Jul 2022 166th JaroPolhosDev 850 60 380ms 13 Sep 2023 166th GarethSpring 850 60 366ms 19 Sep 2023 166th mqtze 850 60 418ms 21 Sep 2023 166th puddnova 850 60 402ms 22 Oct 2024 166th Matter1024 🇮🇳 850 60 446ms 30 Mar 2026 176th PatrickKocken 836 61 376ms 21 Nov 2021 176th TeDeMos 836 61 374ms 21 Nov 2021 176th castur1 836 61 356ms 27 Jan 2022 176th centrolutions 836 61 383ms 24 Nov 2022 176th dorschmeister 836 61 423ms 19 May 2023 176th fkantelberg 836 61 378ms 15 Jul 2023 176th josephdwalker 836 61 361ms 14 Nov 2023 176th epic-programmer-guy 836 61 385ms 25 Dec 2023 176th codewrite 🇬🇧 836 61 395ms 19 Apr 2025 176th Alex-Huggett 🇬🇧 836 61 412ms 13 Sep 2025 176th Mikey-Beep 🇬🇧 836 61 424ms 41 hours ago 187th jahakari 823 62 390ms 21 Nov 2021 187th MichalMarsalek 🇨🇿 823 62 406ms 29 Nov 2021 187th owen-c-parker 🇺🇸 823 62 378ms 25 Nov 2022 187th Mezzofloat 823 62 378ms 24 Aug 2023 187th nyoshe 823 62 384ms 10 Oct 2023 187th hippopotam00sehead 🇨🇦 823 62 452ms 11 Sep 2024 187th Stockoh 🇫🇷 823 62 435ms 4 Nov 2024 187th desecaw13 823 62 451ms 24 Jan 2025 195th ILMTitan 810 63 376ms 21 Nov 2021 195th Domicnt 810 63 398ms 1 Jan 2022 195th CedricGebistorf 810 63 416ms 3 Feb 2022 195th ChrisTheisen 810 63 410ms 13 Dec 2022 195th TimJackMaster 810 63 383ms 25 Jan 2023 195th gazle 810 63 378ms 25 Apr 2024 First Prev 101–200 of 335 Next Last