Happy Numbers in C 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st saito-ta 🇯🇵 1,000 75 22 Jun 2022 1st Lydxn 🇨🇦 1,000 75 13 May 2023 1st rhdqor213 1,000 75 29 Jul 2024 4th JayXon 🇺🇸 987 76 26 Nov 2021 4th KasperKivimaeki 🇫🇮 987 76 4 Feb 2025 6th sisyphus-ppcg 🇦🇺 974 77 3 Jul 2021 7th nwellnhof 🇩🇪 962 78 7 Jan 2021 7th Alex-x90 🇺🇸 962 78 27 Jan 2023 7th inventshah 962 78 27 Jan 2023 7th Steffan153 🇫🇮 962 78 28 Jan 2023 7th sean-niemann 🇺🇸 962 78 7 Mar 2025 12th lynn 949 79 2 Oct 2021 12th MeWhenI 🇻🇦 949 79 21 Jun 2022 12th m-tkach 🇺🇦 949 79 9 Mar 2023 12th ovs-code 🇩🇪 949 79 24 Mar 2024 12th xsot 🇸🇬 949 79 23 May 2024 12th DialFrost 🇸🇬 949 79 17 Dec 2024 18th prplz 🇦🇺 938 80 20 Oct 2020 18th primo-ppcg 🇹🇭 938 80 21 Oct 2020 18th emgordon154 938 80 22 Dec 2021 18th GrayJoKing 🇦🇺 938 80 13 Mar 2022 18th jared-hughes 938 80 30 Mar 2022 18th janbehrens 🇩🇪 938 80 26 Nov 2023 18th Herbert00709 🇵🇱 938 80 8 Jun 2024 18th roupiq 🇵🇱 938 80 9 Jun 2024 26th Attero 🇸🇪 926 81 4 May 2020 26th c0d3-4-F00d 🇩🇪 926 81 5 Jan 2022 26th snoozingnewt 🇺🇸 926 81 18 hours ago 29th AdrienHache 🇫🇷 915 82 7 Jan 2024 29th pardouin 🇫🇷 915 82 8 Oct 2024 29th LostSyntax21 🇬🇧 915 82 8 Jan 2025 29th TeodorDyakov 🇧🇬 915 82 5 Mar 2025 29th AZTECCO 915 82 20 hours ago 34th NewDefectus 🇮🇱 893 84 16 Dec 2021 35th annaproxy 882 85 18 May 2023 36th djeedjay 🇳🇱 872 86 26 Oct 2020 36th Yewzir 🇧🇪 872 86 22 Dec 2023 38th AaronGarbut 862 87 30 Jul 2019 39th ListeriaM 852 88 25 Aug 2023 39th Jonatan6 🇩🇰 852 88 27 Apr 2024 41st marcin7Cd 833 90 17 May 2020 41st dokutan 833 90 1 May 2024 43rd Irratix 🇳🇱 824 91 19 Dec 2021 44th elgan65536 806 93 28 Nov 2023 44th Bmrl7 806 93 29 Feb 2024 46th boxjelly 798 94 15 Feb 2021 46th Shanethegamer 🇺🇸 798 94 18 Dec 2022 46th KenanHanke 798 94 22 Feb 2023 46th AlephSquirrel 798 94 8 Jun 2023 50th filharmonista 765 98 13 Mar 2020 51st madex 🇩🇪 750 100 22 Aug 2021 51st LorenzoDeGaspari 750 100 20 Jun 2022 53rd YellowBunnyGit 743 101 5 Apr 2019 53rd JohandeRuiter 🇳🇱 743 101 28 Nov 2023 55th Re-Adventures 🇮🇳 735 102 20 Apr 2021 55th jupj 🇫🇮 735 102 15 Oct 2022 57th CatsAreFluffy 728 103 15 Jan 2023 58th pkasting 714 105 5 Sep 2020 59th Natanaelel 🇸🇪 708 106 31 Mar 2022 59th CaedenHarper 🇨🇦 708 106 24 Jan 2025 61st retrohun 701 107 15 Mar 2019 61st not-a-pokemon 701 107 11 Apr 2025 63rd pandapawskat 688 109 13 Sep 2021 64th Indivicivet 676 111 15 Mar 2021 64th trist224 🇫🇷 676 111 15 Nov 2022 66th AkashTandon167 664 113 10 Oct 2019 66th Spruill-1 664 113 11 Sep 2021 68th jiaminglimjm 🇲🇾 658 114 12 Dec 2019 69th Alesun 🇮🇹 652 115 15 Oct 2019 69th cmayer777 652 115 12 Nov 2022 71st jngbsn 641 117 2 Mar 2019 72nd rambox11 625 120 12 Mar 2019 72nd aubergine-sauce 625 120 20 Sep 2023 74th bac0id 610 123 11 Jul 2020 74th tegenton 610 123 6 Oct 2021 1–75 of 113 Next