Leap Years in Python in chars. 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 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 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 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 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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 672nd chris-robo 683 63 9ms 8 Apr 2020 672nd richard-oelze 🇩🇪 683 63 9ms 16 Nov 2020 672nd Miles-1000 🇬🇧 683 63 23ms 14 Mar 2021 672nd bbakersmith 683 63 16ms 25 Jul 2021 672nd constant-stranger 683 63 12ms 9 Feb 2022 672nd Eilonlif 🇮🇱 683 63 15ms 21 Sep 2022 672nd badboj40 683 63 16ms 27 Dec 2022 672nd hm5822 683 63 15ms 22 Apr 2023 672nd Legiatron 683 63 12ms 28 Apr 2023 672nd salvatore-abello 683 63 9ms 5 Sep 2024 672nd Shorter-Than-Short 683 63 16ms 18 Nov 2024 672nd croc54 683 63 9ms 11 Jan 2025 672nd psaban 683 63 9ms 12 Jan 2025 672nd taesungh 683 63 15ms 7 Jun 2025 690th NoliHyd 672 64 15ms 27 Feb 2019 690th oparisblue 672 64 9ms 24 Mar 2019 690th zdzc 672 64 16ms 23 Apr 2019 690th rgskinnerhpe 672 64 9ms 18 Jun 2019 690th KiwiKoder0123 672 64 9ms 23 Jun 2019 690th kenballus 672 64 15ms 13 Nov 2019 690th anominos 672 64 18ms 12 Dec 2019 690th ADV1K 🇮🇳 672 64 16ms 20 Feb 2020 690th j21marshall 672 64 32ms 7 Aug 2020 690th JeromeSchweitzer 672 64 16ms 7 Sep 2020 690th garrisonhh 672 64 9ms 20 Nov 2020 690th Pena86 672 64 9ms 19 Feb 2021 690th bsoyka 🇺🇸 672 64 9ms 9 Jan 2022 690th TheoKeller1 672 64 16ms 11 Jun 2023 690th jackkav 672 64 16ms 10 Jul 2023 690th StHagel 672 64 10ms 13 Jul 2023 690th bac0id 672 64 15ms 19 Sep 2023 690th Yareeeema 672 64 9ms 11 Oct 2023 690th Very-Nerdy-Human 672 64 9ms 12 Jan 2024 690th CyberTapir 672 64 15ms 28 Aug 2024 690th glassala 672 64 9ms 26 Oct 2024 690th OyuDays 672 64 9ms 17 Mar 2025 690th martindotexe 🇳🇴 672 64 17ms 22 Apr 2025 690th EnisEfe0 672 64 17ms 18 May 2025 714th zuparnowa 662 65 17ms 25 Jan 2019 714th ishields1 662 65 9ms 16 Feb 2019 714th usnheckler 662 65 9ms 8 Jun 2019 714th henrytranter 662 65 15ms 20 Sep 2019 714th quincifer 662 65 10ms 15 Nov 2019 714th sjao14 662 65 16ms 2 Jan 2020 714th luftj 662 65 10ms 24 Apr 2020 714th TheYMI 662 65 35ms 19 May 2020 714th GameChaos 662 65 16ms 3 Sep 2020 714th tomh1012 662 65 16ms 30 Oct 2020 714th ispahr 662 65 9ms 12 Jan 2021 714th oplxy 662 65 16ms 29 Mar 2021 714th dgambit 662 65 15ms 6 Apr 2021 714th Niklas212 662 65 10ms 9 Aug 2021 714th olavaga 662 65 9ms 8 Dec 2021 714th mhenion8293 🇺🇸 662 65 16ms 13 Jan 2022 714th kyleclaassen 662 65 15ms 9 Feb 2022 714th KieranZimmer 662 65 10ms 12 Mar 2022 714th Ailko 🇧🇪 662 65 33ms 6 May 2022 714th james-downey 662 65 9ms 14 Jul 2022 714th GulgDev 662 65 17ms 21 Mar 2023 714th camieac 🇬🇧 662 65 11ms 12 Jul 2023 714th celiendonze 🇨🇭 662 65 15ms 15 Aug 2023 714th IoLimmer 662 65 9ms 1 Jul 2024 714th heabr12 662 65 9ms 6 Sep 2024 714th 6t41m0ct5 662 65 10ms 3 Nov 2024 714th lokeshllkumar 662 65 18ms 26 Sep 2025 714th yukii1004 662 65 16ms 27 Sep 2025 742nd bkshrader 652 66 9ms 27 Dec 2018 742nd correcthorsebatterystaple 652 66 9ms 24 Mar 2019 742nd vonKrafft 652 66 9ms 25 Mar 2020 742nd StefanTifrea 652 66 9ms 15 Jul 2020 742nd Augigogigi 652 66 16ms 28 Jul 2020 742nd achow0 652 66 9ms 4 Aug 2020 742nd mathwiz42 652 66 9ms 17 Aug 2020 742nd yettinmoor 652 66 10ms 29 Aug 2020 742nd BrenSchaap 652 66 15ms 21 Oct 2021 First Prev 676–750 of 1,099 Next Last