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 Multitap Input 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 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Multitap Input 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 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 635th stefangimmillaro 904 49 4ms 22 Aug 2023 635th Argeento 🇵🇱 904 49 4ms 25 Aug 2023 635th DialFrost 🇸🇬 904 49 5ms 8 Nov 2023 635th Shanethegamer 🇺🇸 904 49 4ms 9 Jan 2024 645th Attero 🇸🇪 903 58 1ms 12 Mar 2020 645th filharmonista 903 58 1ms 13 Mar 2020 645th cywong-amino 🇭🇰 903 58 1ms 30 May 2020 645th nwellnhof 🇩🇪 903 58 1ms 4 Oct 2020 645th primo-ppcg 🇹🇭 903 58 1ms 5 Oct 2020 645th Irratix 🇳🇱 903 58 2ms 9 Oct 2020 645th madex 🇩🇪 903 58 2ms 23 Mar 2021 645th NewDefectus 🇮🇱 903 58 2ms 27 May 2021 645th tsunderu 🇯🇵 903 58 1ms 2 Sep 2021 645th GrayJoKing 🇦🇺 903 58 1ms 9 Feb 2022 645th voytxt 🇨🇿 903 58 1ms 7 Apr 2022 645th emplv 🇱🇻 903 58 1ms 28 Apr 2022 645th prplz 🇦🇺 903 58 1ms 22 May 2022 645th jared-hughes 903 58 1ms 24 Jun 2022 645th MeWhenI 🇻🇦 903 58 1ms 6 Sep 2022 645th Steffan153 🇫🇮 903 58 1ms 26 Dec 2022 645th inventshah 903 58 1ms 26 Jan 2023 645th ovs-code 🇩🇪 903 58 1ms 5 Feb 2023 645th xsot 🇸🇬 903 58 1ms 19 Mar 2023 645th rucin93 🇵🇱 903 58 2ms 21 Jun 2023 645th stefangimmillaro 903 58 1ms 4 Aug 2023 645th ListeriaM 903 58 1ms 24 Aug 2023 645th JohandeRuiter 🇳🇱 903 58 1ms 25 Oct 2023 645th dokutan 903 58 2ms 25 Sep 2024 645th FlyingPenguin223 903 58 1ms 10 Feb 2025 645th kdx2a 903 58 1ms 11 Feb 2025 645th Mukundan314 903 58 1ms 26 Apr 2025 645th fuzzylojik-golf 🇺🇸 903 58 2ms 28 Jun 2025 645th Yax42 🇫🇷 903 58 2ms 9 Oct 2025 645th ApoChagi 903 58 1ms 14 Oct 2025 645th Babafaba 903 58 1ms 15 Oct 2025 645th 09cf 903 58 2ms 25 Nov 2025 677th tjtnorton 902 47 16ms 28 Mar 2019 677th daedals 902 47 19ms 21 Apr 2019 677th handisb 902 47 17ms 5 Sep 2019 677th andersk 🇺🇸 902 47 16ms 20 Mar 2020 677th Attero 🇸🇪 902 47 9ms 9 May 2020 677th neihousaigaai 902 47 16ms 8 May 2021 677th Waffle3z 902 47 16ms 14 Jul 2021 677th janbehrens 🇩🇪 902 47 16ms 21 Oct 2021 677th annaproxy 902 47 16ms 13 Dec 2021 677th pxeger 🇬🇧 902 47 15ms 16 Feb 2022 677th sisyphus-ppcg 🇦🇺 902 47 17ms 19 Feb 2022 677th shellbertt 🇨🇦 902 47 15ms 2 May 2022 677th mrnomm 902 47 16ms 24 Aug 2022 677th jumelet 🇳🇱 902 47 16ms 23 Dec 2022 677th thatbirdguythatuknownot 902 47 20ms 3 Jan 2023 677th MichalMarsalek 🇨🇿 902 47 10ms 23 Feb 2023 677th AlexanderFair 902 47 17ms 15 Jun 2023 677th inventshah 902 47 21ms 18 Jul 2023 677th ListeriaM 902 47 19ms 24 Aug 2023 677th bizy-coder 902 47 18ms 2 Feb 2024 677th BREMAUCY 🇫🇷 902 47 21ms 25 Mar 2024 677th Bulmenisaurus 902 47 19ms 4 Aug 2024 677th voytxt 🇨🇿 902 47 16ms 20 Sep 2024 677th dokutan 902 47 10ms 25 Sep 2024 677th lifthrasiir 🇰🇷 902 47 17ms 20 Nov 2024 677th plcc0 902 47 10ms 6 Mar 2025 677th jipsong 🇩🇪 902 47 10ms 1 Apr 2025 677th KasperKivimaeki 🇫🇮 902 47 15ms 14 May 2025 677th keelimeguy 🇺🇸 902 47 20ms 16 May 2025 677th Flekay 🇩🇪 902 47 19ms 9 Aug 2025 677th janlelis 902 47 16ms 14 Aug 2025 677th snoozingnewt 🇨🇦 902 47 16ms 26 Sep 2025 677th Emutis 🇱🇹 902 47 19ms 25 Oct 2025 677th CommandLeo 🇮🇹 902 47 17ms 30 Nov 2025 677th Lv0Sys 🇵🇱 902 47 16ms 2 Dec 2025 712th Steffan153 🇫🇮 902 51 1,338ms 1 Jan 2023 712th neel11235813 902 51 1,424ms 4 Jan 2023 712th MeWhenI 🇻🇦 902 51 1,419ms 8 Jun 2023 712th dokutan 902 51 1,363ms 14 Oct 2024 712th DialFrost 🇸🇬 902 51 1,414ms 9 Mar 2025 712th sean-niemann 🇺🇸 902 51 1,308ms 18 Apr 2025 712th fuzzylojik-golf 🇺🇸 902 51 1,362ms 2 Sep 2025 719th sean-niemann 🇺🇸 901 38 68ms 14 Sep 2023 719th blaztoma 🇱🇹 901 38 82ms 2 Nov 2025 First Prev 641–720 of 4,831 Next Last