Happy Numbers (Long) 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 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 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 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st rhdqor213 1,000 74 3ms 29 Jul 2024 2nd Lydxn 🇨🇦 987 75 11ms 24 Nov 2021 2nd saito-ta 🇯🇵 987 75 6ms 22 Jun 2022 2nd KasperKivimaeki 🇫🇮 987 75 3ms 4 Feb 2025 5th JayXon 🇺🇸 961 77 24ms 26 Nov 2021 5th ovs-code 🇩🇪 961 77 4ms 4 Nov 2023 7th DialFrost 🇸🇬 949 78 8ms 17 Dec 2024 8th MeWhenI 🇻🇦 937 79 3ms 21 Jun 2022 9th m-tkach 🇺🇦 914 81 2ms 6 Oct 2021 9th sean-niemann 🇺🇸 914 81 3ms 5 Jan 2022 9th Steffan153 🇫🇮 914 81 4ms 12 Jan 2023 9th inventshah 914 81 3ms 14 Feb 2023 9th Alex-x90 🇺🇸 914 81 3ms 14 Feb 2023 9th JohandeRuiter 🇳🇱 914 81 5ms 8 Sep 2024 15th primo-ppcg 🇹🇭 902 82 1ms 22 Sep 2021 15th nwellnhof 🇩🇪 902 82 2ms 22 Sep 2021 15th Attero 🇸🇪 902 82 4ms 23 Dec 2021 15th c0d3-4-F00d 🇩🇪 902 82 3ms 5 Jan 2022 15th snoozingnewt 🇨🇦 902 82 3ms 13 Sep 2025 20th pardouin 🇫🇷 892 83 3ms 8 Oct 2024 20th LostSyntax21 🇬🇧 892 83 3ms 8 Jan 2025 22nd NewDefectus 🇮🇱 841 88 2ms 16 Dec 2021 23rd ListeriaM 831 89 2ms 25 Aug 2023 24th prplz 🇦🇺 813 91 2ms 19 Dec 2021 25th Irratix 🇳🇱 804 92 2ms 19 Dec 2021 26th jared-hughes 787 94 2ms 14 Mar 2022 26th Shanethegamer 🇺🇸 787 94 2ms 18 Dec 2022 26th KenanHanke 787 94 2ms 22 Feb 2023 26th Yewzir 🇧🇪 787 94 2ms 10 Jan 2024 30th AlephSquirrel 779 95 2ms 8 Jun 2023 31st GolfingSuccess 🇬🇷 763 97 2ms 19 Mar 2025 32nd janbehrens 🇩🇪 755 98 2ms 21 Sep 2021 32nd RYNO8 755 98 2ms 16 Aug 2022 32nd dokutan 755 98 7ms 6 Nov 2025 35th CaedenHarper 🇨🇦 747 99 2ms 5 Nov 2025 36th madex 🇩🇪 740 100 2ms 10 Nov 2021 36th Babafaba 740 100 2ms 14 Oct 2025 38th Re-Adventures 🇮🇳 725 102 2ms 14 Aug 2022 39th jupj 🇫🇮 718 103 6ms 15 Oct 2022 40th LorenzoDeGaspari 705 105 2ms 17 Jun 2022 41st Bmrl7 698 106 2ms 24 Jul 2023 42nd Natanaelel 🇸🇪 692 107 7ms 31 Mar 2022 42nd annaproxy 692 107 2ms 22 Oct 2023 44th Maashau 679 109 6ms 3 days ago 45th pandapawskat 673 110 2ms 20 Sep 2021 45th cmayer777 673 110 4ms 7 Jan 2023 45th northsuperman 673 110 2ms 3 Apr 2024 48th trist224 🇫🇷 661 112 6ms 15 Nov 2022 48th elgan65536 661 112 2ms 28 Nov 2023 48th csharpython 661 112 2ms 18 Jul 2025 51st Spruill-1 649 114 7ms 4 Oct 2021 51st emgordon154 649 114 2ms 1 Aug 2024 53rd jgbaldwinbrown 587 126 3ms 24 Jun 2022 54th not-a-pokemon 578 128 8ms 11 Apr 2025 55th tegenton 552 134 4ms 6 Oct 2021 55th Jonatan6 🇩🇰 552 134 2ms 7 May 2024 57th dillon-duncando 548 135 4ms 24 Dec 2021 58th msbranicky 544 136 2ms 28 Aug 2023 59th NJRist 🇺🇸 510 145 2ms 25 Nov 2022 60th heanyang1 500 148 2ms 20 Apr 2025 61st TerenceTux 493 150 3ms 6 Jun 2023 62nd jonah1068 487 152 2ms 15 Sep 2023 63rd ColesHoles 484 153 4ms 6 Oct 2021 63rd ColeBardin 484 153 4ms 30 Jul 2022 65th GWStuart 435 170 2ms 22 Nov 2024 66th Qruintrox 430 172 2ms 25 Jun 2023 67th ryguyNelson 416 178 3ms 10 Nov 2021 68th HumanoidCPU 378 196 2ms 12 Jun 2024 69th JunkIce 280 264 2ms 5 Mar 2025 70th kevinnaviapaiva 263 281 2ms 6 Mar 2025 71st retrohun 130 568 2ms 27 Dec 2022 71st Haksell 🇦🇶 130 568 2ms 28 Feb 2023 71st Mabeloid 🇳🇴 130 568 2ms 18 Sep 2024 74th KatieLG 🇬🇧 104 712 2ms 21 Sep 2021 75th KatieLG-Transpiler 🇬🇧 104 714 2ms 23 Jun 2022 1–75 of 75
