Leap Years in all languages 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 Calendar 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 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 Multitap Input NFA Simulator Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Multitap Input NFA Simulator Numbrix 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 399th kg583 🇺🇸 924 55 6ms 21 Aug 2025 402nd janbehrens 🇩🇪 924 77 60ms 8 Jan 2022 402nd solmyr2000 924 77 54ms 21 Jun 2022 402nd annaproxy 924 77 61ms 7 Jan 2023 402nd Alex-x90 🇺🇸 924 77 58ms 19 Feb 2023 402nd roupiq 🇵🇱 924 77 60ms 17 Nov 2023 402nd ovs-code 🇩🇪 924 77 64ms 3 Jun 2024 402nd tailorspy 924 77 52ms 23 Sep 2024 402nd luuumine 🇫🇷 924 77 56ms 16 Nov 2025 410th m-tkach 🇺🇦 923 71 2ms 14 Jun 2025 411th xsot 🇸🇬 922 46 15ms 25 Nov 2019 411th primo-ppcg 🇹🇭 922 46 9ms 27 Nov 2019 411th dlenski 922 46 16ms 11 Mar 2020 411th marcin7Cd 922 46 9ms 15 Mar 2020 411th jmhowl 922 46 15ms 20 Mar 2020 411th lenabradley 922 46 16ms 20 Mar 2020 411th loserface69 922 46 16ms 19 May 2020 411th LlamaLad7 🇬🇧 922 46 16ms 19 May 2020 411th hallvabo 🇳🇴 922 46 15ms 7 Nov 2020 411th nwellnhof 🇩🇪 922 46 16ms 1 Jan 2021 411th HETHAT 🇩🇿 922 46 16ms 2 Mar 2021 411th lynn 922 46 16ms 26 Mar 2021 411th GrayJoKing 🇦🇺 922 46 9ms 3 Apr 2021 411th kops-cg 922 46 9ms 6 Apr 2021 411th m-tkach 🇺🇦 922 46 15ms 5 Jun 2021 411th orthoplex 🇨🇽 922 46 10ms 13 Jan 2022 411th jared-hughes 922 46 9ms 10 Mar 2022 411th bricknellj 922 46 15ms 2 Jun 2022 411th MeWhenI 🇻🇦 922 46 10ms 10 Oct 2022 411th ovs-code 🇩🇪 922 46 15ms 27 Nov 2022 411th AlephSquirrel 922 46 11ms 26 Dec 2022 411th neel11235813 922 46 9ms 3 Jan 2023 411th b10011 🇫🇮 922 46 9ms 3 Jan 2023 411th DialFrost 🇸🇬 922 46 11ms 20 Oct 2023 411th ndren 922 46 16ms 19 Nov 2023 411th davecame 922 46 16ms 11 Dec 2023 411th rucin93 🇵🇱 922 46 10ms 19 Jan 2024 411th Grrisly 922 46 15ms 27 Mar 2024 411th b-illy 🇬🇧 922 46 16ms 18 Jul 2024 411th zach333 922 46 9ms 20 Jul 2024 411th zacjl 922 46 15ms 20 Sep 2024 411th FlyingPenguin223 922 46 9ms 17 Dec 2024 411th Mukundan314 922 46 16ms 25 Apr 2025 411th fuzzylojik-golf 🇺🇸 922 46 15ms 28 Jun 2025 411th CaedenHarper 🇨🇦 922 46 11ms 24 Jul 2025 411th qpwoeirut 922 46 9ms 24 Aug 2025 411th Babafaba 922 46 16ms 13 Oct 2025 411th 09cf 922 46 18ms 25 Nov 2025 411th ryyyn 🇺🇸 922 46 9ms 4 Dec 2025 411th edsrzf 🇳🇿 922 46 15ms 25 days ago 451st xsot 🇸🇬 922 48 5ms 13 Apr 2024 451st sean-niemann 🇺🇸 922 48 5ms 16 Jul 2024 451st Steffan153 🇫🇮 922 48 5ms 20 Jul 2024 454th Lydxn 🇨🇦 922 68 464ms 27 Feb 2022 454th sean-niemann 🇺🇸 922 68 472ms 28 Feb 2022 454th JayXon 🇺🇸 922 68 443ms 28 Feb 2022 454th GrayJoKing 🇦🇺 922 68 475ms 28 Feb 2022 454th MeWhenI 🇻🇦 922 68 447ms 10 Oct 2022 454th ovs-code 🇩🇪 922 68 439ms 31 Dec 2022 454th Steffan153 🇫🇮 922 68 461ms 1 Jan 2023 454th DialFrost 🇸🇬 922 68 457ms 8 Nov 2023 454th dokutan 922 68 432ms 27 Sep 2025 463rd GrayJoKing 🇦🇺 921 44 5ms 31 Jan 2025 464th DialFrost 🇸🇬 920 36 3ms 11 Aug 2024 464th Steffan153 🇫🇮 920 36 4ms 11 Aug 2024 464th MeWhenI 🇻🇦 920 36 3ms 12 Aug 2024 464th sean-niemann 🇺🇸 920 36 3ms 13 Aug 2024 464th GrayJoKing 🇦🇺 920 36 3ms 26 Aug 2024 464th lynn 920 36 3ms 21 Dec 2024 470th primo-ppcg 🇹🇭 920 45 1ms 7 Nov 2022 470th xsot 🇸🇬 920 45 2ms 18 Mar 2024 472nd JayXon 🇺🇸 919 45 106ms 5 Sep 2023 472nd primo-ppcg 🇹🇭 919 45 98ms 6 Sep 2023 474th olivermrose 🇺🇸 919 51 118ms 23 Aug 2021 475th Lydxn 🇨🇦 918 41 1ms 8 Oct 2023 475th Steffan153 🇫🇮 918 41 1ms 10 Oct 2023 475th MeWhenI 🇻🇦 918 41 2ms 18 Aug 2024 478th Attero 🇸🇪 918 46 1ms 9 May 2020 478th Waffle3z 918 46 2ms 11 Jul 2021 478th GrayJoKing 🇦🇺 918 46 2ms 9 Feb 2022 First Prev 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