ISBN 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 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 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 JayXon 🇺🇸 1,000 119 56ms 3 Aug 2023 2nd nwellnhof 🇩🇪 992 120 54ms 23 Jun 2023 3rd tailorspy 975 122 56ms 11 Jul 2024 3rd snyderek 🇺🇸 975 122 56ms 20 Jul 2024 3rd zygoloid 975 122 54ms 7 Aug 2024 6th KasperKivimaeki 🇫🇮 960 124 417ms 30 Jul 2025 7th inventshah 944 126 54ms 7 Aug 2024 8th prplz 🇦🇺 930 128 58ms 19 Jan 2022 9th ovs-code 🇩🇪 922 129 58ms 10 Feb 2023 10th drabart 🇵🇱 902 132 54ms 16 Dec 2023 11th Alex-x90 🇺🇸 895 133 60ms 8 Aug 2023 11th Yewzir 🇧🇪 895 133 58ms 29 Nov 2023 13th Mandrzejy 🇵🇱 888 134 58ms 13 Sep 2024 14th Irratix 🇳🇱 881 135 375ms 14 May 2022 15th Shanethegamer 🇺🇸 875 136 57ms 20 Apr 2022 16th m-tkach 🇺🇦 869 137 55ms 15 Jan 2022 16th sean-niemann 🇺🇸 869 137 57ms 3 Feb 2024 18th LHLaurini 🇧🇷 844 141 58ms 17 Jul 2024 19th MeWhenI 🇻🇦 815 146 60ms 13 Nov 2022 19th janbehrens 🇩🇪 815 146 59ms 23 Jun 2023 21st bac0id 804 148 65ms 3 Jul 2024 22nd BlankSpruce 799 149 55ms 16 Jan 2022 23rd retrohun 788 151 59ms 30 Dec 2022 23rd annaproxy 788 151 58ms 5 Jan 2023 25th jared-hughes 783 152 379ms 24 Jun 2022 25th Betuaredead 783 152 369ms 7 Jan 2023 27th dokutan 778 153 57ms 25 days ago 28th HumanoidCPU 753 158 68ms 3 Mar 2025 29th IlkkaTakala 735 162 64ms 1 Dec 2023 30th bumchen 730 163 58ms 6 Apr 2023 31st msbranicky 721 165 61ms 20 Aug 2023 32nd Herbert00709 🇵🇱 717 166 57ms 5 Apr 2024 33rd astdefu 688 173 406ms 9 Dec 2022 34th recursive-x 680 175 375ms 24 Jan 2023 34th tomh1012 680 175 998ms 12 days ago 36th akamayu-ouo 🇹🇼 676 176 305ms 8 Jul 2024 37th timhaj 🇸🇮 613 194 61ms 1 Aug 2024 38th 1231234md5 🇨🇳 586 203 941ms 11 Dec 2023 39th epic-programmer-guy 564 211 373ms 31 Dec 2023 40th snoozingnewt 🇨🇦 548 217 968ms 6 Oct 2025 41st Flixster801 522 228 975ms 17 Oct 2023 42nd IdkWhatIsIdk 506 235 65ms 28 Oct 2024 43rd MateuszPietrzak 🇵🇱 494 241 377ms 18 Nov 2023 44th dfrias100 463 257 926ms 7 Mar 2022 45th kevinnaviapaiva 342 348 933ms 24 Feb 2025 46th Zach1031 332 358 957ms 19 days ago 47th KatieLG 🇬🇧 253 470 1,000ms 19 Mar 2023 1–47 of 47
