Leap Years in JavaScript 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 Calendar Connect Four 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 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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 Calendar Connect Four 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 299th dylanpyle 774 53 9ms 28 Apr 2020 299th dsntzn 🇸🇰 774 53 9ms 9 Aug 2020 299th SkimnerPhi 774 53 10ms 5 Dec 2020 299th pbarath 774 53 10ms 6 Apr 2021 299th 23rdIdiot 774 53 9ms 28 Aug 2021 299th liamstrilchuk 774 53 11ms 7 Sep 2021 299th AnnoyedArt1256 774 53 10ms 12 Jan 2022 299th JayantaNath 774 53 10ms 13 May 2022 299th blobotic 774 53 10ms 13 Jun 2023 299th malworthy 774 53 9ms 18 Oct 2023 299th jbdrucker 774 53 8ms 15 Feb 2025 299th smclaughlin-cf 774 53 10ms 20 Feb 2025 299th MadScience137 774 53 10ms 24 Sep 2025 314th rowboat1 759 54 9ms 16 Feb 2019 314th paudr 759 54 9ms 5 May 2019 314th VFDan 759 54 9ms 22 May 2019 314th cryosis7 759 54 10ms 20 Jun 2019 314th bac0id 759 54 10ms 17 Jun 2020 314th fabrice404 759 54 10ms 16 Jul 2020 314th itiievskyi 🇺🇦 759 54 8ms 5 Aug 2020 314th i-machine 759 54 9ms 28 Aug 2020 314th DizzyLeChuck 759 54 10ms 9 Sep 2020 314th eecb 759 54 9ms 24 Nov 2020 314th mrmena 🇦🇺 759 54 10ms 10 Jul 2021 314th mobibluman 759 54 10ms 27 Aug 2021 314th johanrosenson 759 54 9ms 8 Dec 2021 314th kevdah 759 54 9ms 8 May 2022 314th Ripick 759 54 10ms 13 Aug 2022 314th msbranicky 759 54 11ms 6 Jul 2023 314th JakeReadman 759 54 9ms 18 Jul 2024 314th hippopotam00sehead 🇨🇦 759 54 9ms 11 Sep 2024 332nd nastion 745 55 12ms 15 Jan 2019 332nd pg98 745 55 9ms 4 Sep 2019 332nd sage-fulcher 745 55 13ms 20 Apr 2020 332nd Pablo-No 745 55 9ms 15 Jul 2020 332nd sech1p 🇵🇱 745 55 10ms 29 Oct 2020 332nd aaronze 🇦🇺 745 55 9ms 26 Apr 2021 332nd lukalotl 745 55 9ms 24 May 2021 332nd berdzi 745 55 13ms 15 Mar 2022 332nd delgoodie 745 55 10ms 26 Aug 2022 332nd Sora1248 🇩🇪 745 55 10ms 19 Feb 2023 332nd logancammish 745 55 10ms 21 Mar 2023 332nd pandaninjas 745 55 9ms 9 Aug 2023 332nd yb1yb1 745 55 9ms 7 Oct 2024 345th 7JoeEdwards 732 56 10ms 1 Aug 2019 345th jmhowl 732 56 9ms 17 Dec 2019 345th RonnyPumaricra 732 56 9ms 25 Nov 2020 345th glorpglob 732 56 9ms 5 Feb 2021 345th kayahr 732 56 9ms 18 Jun 2021 345th RegularSalamander 732 56 10ms 29 Jan 2022 345th TheCod-r 🇦🇶 732 56 10ms 5 Mar 2022 345th GeorgeStechman 🇬🇧 732 56 9ms 23 May 2022 345th Protothor 732 56 17ms 14 Jun 2025 354th jackkav 719 57 8ms 26 Dec 2018 354th paavohuhtala 719 57 10ms 4 Jan 2020 354th lowlighter 719 57 10ms 1 Nov 2020 354th taimanh229 719 57 9ms 31 Dec 2020 354th DaCuteRaccoon 719 57 11ms 21 Apr 2022 354th Smetalo 719 57 9ms 25 Aug 2022 354th StronkCheese 🇺🇸 719 57 10ms 27 Jan 2023 354th AZ9tumas 719 57 9ms 11 Feb 2023 354th 1231234md5 🇨🇳 719 57 9ms 11 Dec 2023 354th andrewl64 719 57 13ms 18 Jan 2024 354th nakatchi 719 57 12ms 26 Feb 2024 354th Europe2048 719 57 11ms 27 Sep 2024 354th TheAtrossian 719 57 11ms 5 Jan 2025 354th 52525rr 719 57 9ms 20 Sep 2025 354th madeforlosers 719 57 9ms 12 days ago 369th dcure73 707 58 12ms 7 Jun 2019 369th GitaMonster 707 58 9ms 31 Aug 2020 369th josh-h-90 707 58 10ms 2 Feb 2021 369th kozgera 707 58 10ms 6 Apr 2021 369th arrudagates 707 58 9ms 24 Jun 2021 369th p-vf 🇨🇭 707 58 12ms 13 Oct 2021 369th Great-Gamer 707 58 9ms 25 Feb 2022 First Prev 301–375 of 472 Next Last