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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 426th minhtrancccp 768 56 9ms 27 Sep 2023 426th m42km 768 56 16ms 11 Nov 2023 426th epic-programmer-guy 768 56 16ms 25 Dec 2023 426th DGipe 768 56 15ms 4 Mar 2024 426th edsrzf 🇳🇿 768 56 9ms 26 Mar 2025 426th ffelixm 768 56 16ms 23 May 2025 426th TheZwierzLF 🇵🇱 768 56 17ms 27 May 2025 426th RaBa21 🇭🇺 768 56 18ms 11 Jul 2025 426th matejmatik123 🇸🇰 768 56 15ms 12 Jul 2025 426th addmai 768 56 9ms 25 Jul 2025 426th NeuralG 768 56 15ms 11 Sep 2025 426th jacekwladzinski 768 56 15ms 4 Oct 2025 426th ItsMeNoobieboy 768 56 9ms 21 Oct 2025 464th Sakrette 754 57 15ms 31 Dec 2018 464th ly0va 754 57 10ms 3 Jan 2019 464th danielwang5 754 57 10ms 3 Jan 2019 464th benwilliamgraham 754 57 16ms 26 Jan 2019 464th RobertVagt 754 57 9ms 26 Feb 2019 464th ieeemma 754 57 13ms 8 Jun 2019 464th cpt-John 754 57 15ms 24 Jun 2019 464th mossprescott 754 57 10ms 24 Jun 2019 464th deflatSOCO 754 57 15ms 4 Jul 2019 464th DaleNaci 754 57 9ms 9 Jul 2019 464th cellobix 754 57 12ms 14 Aug 2019 464th blashley 754 57 10ms 23 Jan 2020 464th sanssaraf 754 57 9ms 4 May 2020 464th louisbosqui 754 57 9ms 28 Dec 2020 464th peculiarination 754 57 17ms 13 May 2021 464th SniperSmiley 🇺🇸 754 57 9ms 23 Jun 2021 464th danielweper 754 57 9ms 21 Oct 2021 464th b4dpxl 754 57 15ms 11 Nov 2021 464th amollberg 🇸🇪 754 57 15ms 5 Jan 2022 464th guilhem-roy 🇫🇷 754 57 16ms 28 Feb 2022 464th pyrolitic 🇮🇪 754 57 11ms 7 Apr 2022 464th twocatsinatrenchcoat 754 57 16ms 12 May 2022 464th kevdah 754 57 9ms 25 May 2022 464th p-vf 🇨🇭 754 57 9ms 8 Jul 2022 464th jaxmattfair 🇺🇸 754 57 16ms 9 Aug 2022 464th shibacho 🇯🇵 754 57 16ms 9 Sep 2022 464th Keegan-T 🇨🇦 754 57 16ms 15 Sep 2022 464th LukasFolwarczny 🇨🇿 754 57 12ms 22 Sep 2022 464th P-Quentin 🇫🇷 754 57 9ms 5 Oct 2022 464th Marthe-CC 754 57 11ms 16 Oct 2022 464th DaCuteRaccoon 754 57 9ms 12 Dec 2022 464th dteague3989 754 57 8ms 25 May 2023 464th enbyte 754 57 9ms 18 Dec 2023 464th zwxzwxzwx21 754 57 17ms 30 Jan 2024 464th JamesTadleyGreen 754 57 16ms 12 Apr 2024 464th ebeinroth 754 57 9ms 8 Aug 2024 464th martion2007 754 57 17ms 23 Sep 2024 464th nooberitess 754 57 9ms 8 Apr 2025 464th jbjd 754 57 11ms 20 May 2025 464th codewrite 🇬🇧 754 57 12ms 10 Jul 2025 464th nulzo 754 57 9ms 17 Oct 2025 505th Bosenraum 741 58 16ms 3 Jan 2019 505th evanrittner 741 58 11ms 10 Feb 2019 505th StardustGogeta 741 58 16ms 1 Apr 2019 505th RobertPoienar 741 58 12ms 17 Oct 2019 505th dmoa 741 58 10ms 22 Nov 2019 505th Temmie55 741 58 9ms 22 Nov 2019 505th amishtal 741 58 13ms 2 Dec 2019 505th weberax 741 58 9ms 6 Dec 2019 505th guliyevemil1 🇦🇿 741 58 9ms 17 Apr 2020 505th rzhade3 741 58 9ms 22 May 2020 505th dyc3 741 58 9ms 1 Jul 2020 505th jakingy 741 58 12ms 8 Jul 2020 505th PiterAnnema 741 58 15ms 30 Aug 2020 505th CRHillman 741 58 9ms 13 Sep 2020 505th the-soph-ia 741 58 12ms 27 Jan 2021 505th Estuardicue 741 58 9ms 18 Feb 2021 505th jameslindesay 741 58 10ms 24 Feb 2021 505th abba23 741 58 35ms 14 Jun 2021 505th gitbedd 🇬🇧 741 58 9ms 21 Jan 2022 505th marsdeat 741 58 10ms 24 Jan 2022 505th aazuspan 741 58 10ms 3 May 2022 First Prev 451–525 of 1,100 Next Last