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 brainfuck 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Bytes Time 1st saito-ta 🇯🇵 C 1,000 75 22 Jun 2022 1st Lydxn 🇨🇦 C 1,000 75 13 May 2023 3rd JayXon 🇺🇸 C 987 76 26 Nov 2021 4th sisyphus-ppcg 🇦🇺 C 974 77 3 Jul 2021 5th nwellnhof 🇩🇪 C 962 78 7 Jan 2021 5th Alex-x90 🇺🇸 C 962 78 27 Jan 2023 5th inventshah C 962 78 27 Jan 2023 5th Steffan153 🇫🇮 C 962 78 28 Jan 2023 9th lynn C 949 79 2 Oct 2021 9th MeWhenI 🇻🇦 C 949 79 21 Jun 2022 9th m-tkach 🇺🇦 C 949 79 9 Mar 2023 9th ovs-code 🇩🇪 C 949 79 25 days ago 13th prplz 🇦🇺 C 938 80 20 Oct 2020 13th primo-ppcg 🇹🇭 C 938 80 21 Oct 2020 13th emgordon154 C 938 80 22 Dec 2021 13th GrayJoKing 🇦🇺 C 938 80 13 Mar 2022 13th jared-hughes C 938 80 30 Mar 2022 13th rhdqor213 C 938 80 13 Aug 2023 13th janbehrens 🇩🇪 C 938 80 26 Nov 2023 20th Attero 🇸🇪 C 926 81 4 May 2020 20th sean-niemann 🇺🇸 C 926 81 5 Jan 2022 20th c0d3-4-F00d 🇩🇪 C 926 81 5 Jan 2022 20th DialFrost 🇸🇬 C 926 81 28 Jan 2023 20th KasperKivimaeki 🇫🇮 C 926 81 23 Feb 2024 25th AdrienHache C 915 82 7 Jan 2024 25th roupiq 🇵🇱 C 915 82 19 Feb 2024 27th NewDefectus 🇮🇱 C 893 84 16 Dec 2021 28th annaproxy C 882 85 18 May 2023 29th djeedjay 🇳🇱 C 872 86 26 Oct 2020 29th Yewzir 🇧🇪 C 872 86 22 Dec 2023 31st AaronGarbut C 862 87 30 Jul 2019 32nd ListeriaM C 852 88 25 Aug 2023 33rd marcin7Cd C 833 90 17 May 2020 34th Irratix 🇳🇱 C 824 91 19 Dec 2021 35th elgan65536 C 806 93 28 Nov 2023 35th Bmrl7 C 806 93 29 Feb 2024 37th boxjelly C 798 94 15 Feb 2021 37th Shanethegamer 🇺🇸 C 798 94 18 Dec 2022 37th KenanHanke C 798 94 22 Feb 2023 37th AlephSquirrel C 798 94 8 Jun 2023 41st filharmonista C 765 98 13 Mar 2020 41st dokutan C 765 98 4 days ago 43rd madex 🇩🇪 C 750 100 22 Aug 2021 43rd LorenzoDeGaspari C 750 100 20 Jun 2022 45th YellowBunnyGit C 743 101 5 Apr 2019 45th JohandeRuiter 🇳🇱 C 743 101 28 Nov 2023 47th Re-Adventures 🇮🇳 C 735 102 20 Apr 2021 47th jupj 🇫🇮 C 735 102 15 Oct 2022 49th CatsAreFluffy C 728 103 15 Jan 2023 50th pkasting C 714 105 5 Sep 2020 51st Natanaelel 🇸🇪 C 708 106 31 Mar 2022 52nd retrohun C 701 107 15 Mar 2019 53rd pandapawskat C 688 109 13 Sep 2021 54th Indivicivet C 676 111 15 Mar 2021 54th trist224 🇫🇷 C 676 111 15 Nov 2022 56th AkashTandon167 C 664 113 10 Oct 2019 56th Spruill-1 C 664 113 11 Sep 2021 58th jiaminglimjm 🇲🇾 C 658 114 12 Dec 2019 59th Alesun 🇮🇹 C 652 115 15 Oct 2019 59th cmayer777 C 652 115 12 Nov 2022 1–60 of 97 Next