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Sierpiński Triangle in all languages 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 526th GalladeGuy 🇺🇸 708 89 1ms 12 Apr 2019 526th Waffle3z 708 89 2ms 24 Oct 2020 528th DialFrost 🇸🇬 706 60 1,849ms 31 Dec 2023 529th janbehrens 🇩🇪 706 63 32ms 30 May 2022 529th tatzyr 🇯🇵 706 63 34ms 25 Nov 2024 531st yzhs 🇩🇪 706 75 10ms 25 Oct 2020 531st SB-945 706 75 15ms 7 Apr 2024 531st dokutan 706 75 10ms 15 May 2024 531st ryyyn 🇺🇸 706 75 10ms 25 Jun 2025 531st YAJUE114514 706 75 11ms 30 Jul 2025 536th stefangimmillaro 706 82 114ms 14 Mar 2023 537th thisishowmymindworks 🇳🇴 705 65 9ms 9 Sep 2020 537th inventshah 705 65 9ms 23 Jan 2023 537th Alex-x90 🇺🇸 705 65 8ms 24 Jan 2023 537th helbling 🇨🇭 705 65 10ms 3 Jun 2024 541st Attero 🇸🇪 701 67 6ms 20 Sep 2023 542nd flawr 701 95 156ms 24 Feb 2019 543rd clockworknazo 701 98 3ms 6 Mar 2023 544th buddy1616 699 77 2ms 26 Apr 2019 544th ktiy 699 77 2ms 2 Jun 2021 544th m-tkach 🇺🇦 699 77 2ms 15 Dec 2022 547th SirBogman 🇺🇸 699 356 15ms 23 Nov 2022 548th Natanaelel 🇸🇪 698 43 3ms 21 Jan 2022 548th Natanaelel 🇸🇪 698 43 36ms 22 Jan 2024 550th Sp3000 🇦🇺 698 55 3ms 12 Jan 2024 551st MeWhenI 🇻🇦 697 52 3ms 26 May 2023 552nd hoodadam 697 76 13ms 31 Jan 2020 552nd hiddicop 🇸🇪 697 76 11ms 31 Jan 2021 552nd sleepyStick 697 76 11ms 8 Dec 2021 552nd cubed-guy 697 76 10ms 12 Feb 2022 552nd Fracture17 697 76 10ms 4 Apr 2023 552nd Jacob385 697 76 10ms 14 Mar 2024 552nd stertooy 🇧🇪 697 76 11ms 14 Jun 2024 552nd jatloe 697 76 13ms 29 Oct 2024 552nd snydej 697 76 12ms 21 Nov 2024 552nd moustave 697 76 13ms 10 Apr 2025 552nd RYSF13 🇨🇳 697 76 10ms 18 Jul 2025 563rd typeswitch-dev 🇵🇹 697 101 4ms 28 Jul 2023 564th AlephSquirrel 696 70 588ms 21 Jan 2024 564th HumanoidCPU 696 70 430ms 11 Feb 2025 566th cywong-amino 🇭🇰 695 66 9ms 30 May 2020 566th dmrichwa 🇺🇸 695 66 9ms 22 Jan 2023 566th kcinnu 🇱🇹 695 66 10ms 15 Nov 2023 569th Ripick 694 101 363ms 21 May 2023 570th s-g-stavely 692 91 2ms 12 May 2021 571st Shanethegamer 🇺🇸 692 92 1,265ms 9 Mar 2023 572nd MeWhenI 🇻🇦 691 68 4ms 3 Jul 2023 573rd foxmcloud555 690 78 2ms 28 Apr 2022 573rd aksyristos 690 78 2ms 10 Feb 2023 573rd neel11235813 690 78 2ms 14 Mar 2023 573rd klixel 🇨🇦 690 78 2ms 7 Jun 2023 573rd Herbert00709 🇵🇱 690 78 2ms 23 Nov 2024 573rd TeodorDyakov 🇧🇬 690 78 2ms 23 Sep 2025 579th MeWhenI 🇻🇦 690 83 2,722ms 27 Oct 2024 579th pardouin 🇫🇷 690 83 2,892ms 12 Nov 2024 579th aditsu 690 83 2,998ms 13 Aug 2025 582nd Feniske 🇫🇷 689 67 199ms 10 Nov 2023 583rd cure-honey 🇯🇵 689 84 97ms 10 Jul 2021 584th MeWhenI 🇻🇦 689 103 70ms 2 Nov 2023 585th janbehrens 🇩🇪 689 152 31ms 8 Jul 2021 586th RYNO8 688 77 15ms 11 Sep 2021 586th NewDefectus 🇮🇱 688 77 11ms 9 Nov 2021 586th jeff-at-tamer-dot-codes 🇺🇸 688 77 15ms 13 Mar 2023 586th fourth-bit 688 77 11ms 23 Sep 2024 586th Pyroan 688 77 10ms 22 Feb 2025 586th wuduculfre 688 77 13ms 22 Jul 2025 592nd edsrzf 🇳🇿 688 106 10ms 8 Jan 2025 593rd albanian-laundromat 687 71 413ms 9 Aug 2025 594th rucin93 🇵🇱 684 53 3ms 11 Jul 2024 595th greghull 684 65 34ms 9 Nov 2017 595th Natanaelel 🇸🇪 684 65 31ms 2 Nov 2021 597th kritixilithos 683 74 2ms 27 May 2024 598th Shanethegamer 🇺🇸 682 107 8ms 19 Dec 2023 599th Shanethegamer 🇺🇸 681 97 41ms 14 Jun 2022 600th bforte 680 98 160ms 21 Dec 2018 First Prev 526–600 of 1,991 Next Last