Happy Numbers 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 1st JayXon 🇺🇸 1,000 93 51ms 2 Jan 2022 1st Lydxn 🇨🇦 1,000 93 49ms 2 Jan 2022 1st inventshah 1,000 93 51ms 22 Apr 2023 1st xsot 🇸🇬 1,000 93 52ms 23 May 2024 5th tailorspy 969 96 51ms 22 Sep 2024 6th m-tkach 🇺🇦 949 98 54ms 9 Mar 2023 6th annaproxy 949 98 52ms 22 Oct 2023 6th Yewzir 🇧🇪 949 98 49ms 30 Dec 2023 9th nwellnhof 🇩🇪 939 99 51ms 3 Jan 2022 9th Alex-x90 🇺🇸 939 99 53ms 20 Sep 2022 9th Steffan153 🇫🇮 939 99 51ms 28 Jan 2023 9th ovs-code 🇩🇪 939 99 48ms 3 Jun 2024 9th roupiq 🇵🇱 939 99 54ms 8 Jun 2024 9th Herbert00709 🇵🇱 939 99 53ms 8 Jun 2024 9th sean-niemann 🇺🇸 939 99 48ms 6 Aug 2024 16th jared-hughes 930 100 49ms 20 Jul 2022 17th MeWhenI 🇻🇦 921 101 53ms 8 May 2022 17th janbehrens 🇩🇪 921 101 51ms 26 Nov 2023 19th dokutan 912 102 50ms 14 Apr 2024 20th AdrienHache 🇫🇷 903 103 49ms 7 Jan 2024 21st Irratix 🇳🇱 838 111 56ms 3 Jan 2022 22nd Shanethegamer 🇺🇸 816 114 58ms 18 Dec 2022 23rd KasperKivimaeki 🇫🇮 795 117 57ms 8 days ago 24th snyderek 🇺🇸 788 118 54ms 24 Nov 2024 25th oceko 775 120 56ms 19 Feb 2024 26th trist224 🇫🇷 744 125 374ms 15 Nov 2022 26th CatsAreFluffy 744 125 53ms 16 Dec 2022 28th Re-Adventures 🇮🇳 721 129 58ms 2 Jan 2022 29th snoozingnewt 🇺🇸 710 131 379ms 25 days ago 30th kmathis22 684 136 1,891ms 29 Sep 2025 31st CaedenHarper 🇨🇦 655 142 49ms 23 Jan 2025 32nd JunkIce 650 143 937ms 23 Feb 2025 33rd cmayer777 637 146 60ms 12 Nov 2022 34th billk1729 600 155 897ms 19 Oct 2022 35th folicore 596 156 387ms 18 Jun 2025 36th msbranicky 592 157 57ms 28 Aug 2023 37th ShadowArc147 578 161 926ms 7 Apr 2022 38th matejmatik123 🇸🇰 560 166 917ms 3 Oct 2025 39th bac0id 554 168 48ms 30 Jun 2024 40th Betuaredead 550 169 2,288ms 15 Jan 2023 41st MateuszPietrzak 🇵🇱 547 170 48ms 13 Feb 2024 41st HumanoidCPU 547 170 49ms 13 May 2024 43rd jolebob 544 171 941ms 19 Jan 2022 44th zt14427 517 180 915ms 4 Mar 2023 45th retrohun 511 182 928ms 27 Dec 2022 45th Mabeloid 🇳🇴 511 182 899ms 20 Sep 2024 47th hertelalex 500 186 925ms 7 Aug 2022 48th Azearia 487 191 54ms 7 Nov 2023 49th KatieLG 🇬🇧 479 194 933ms 23 Mar 2024 50th KatieLG-Transpiler 🇬🇧 429 217 916ms 24 Jun 2022 51st astdefu 369 252 2,370ms 8 Dec 2022 52nd kevinnaviapaiva 228 408 994ms 6 Mar 2025 53rd Gnomorian 139 670 1,132ms 2 Jan 2022 1–53 of 53