Collatz in Python in chars. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 203rd souta-1326 781 73 31ms 1 Apr 2025 203rd BenjaminHGong 781 73 21ms 26 May 2025 203rd FEZfan 🇦🇺 781 73 23ms 11 Jul 2025 203rd wuduculfre 781 73 21ms 28 Jul 2025 203rd BREMAUCY 🇫🇷 781 73 21ms 24 Aug 2025 203rd FortuiteMan 🇫🇷 781 73 21ms 28 Sep 2025 203rd miaoaixuan 781 73 22ms 30 Sep 2025 203rd Lv0Sys 🇵🇱 781 73 24ms 7 Dec 2025 203rd zacharysfrazee 781 73 21ms 11 Jan 2026 203rd bpharaldsson 781 73 22ms 6 Feb 2026 203rd Zin9zan9 781 73 19ms 11 days ago 252nd TobyBoyne 🇬🇧 770 74 20ms 4 May 2022 252nd RDShah 770 74 21ms 6 May 2022 252nd Indivicivet 770 74 21ms 9 May 2022 252nd CedricGebistorf 770 74 20ms 9 May 2022 252nd ophact 770 74 23ms 11 May 2022 252nd ImpressedByRocks 770 74 20ms 17 May 2022 252nd LHuitre 770 74 20ms 2 Jun 2022 252nd neihousaigaai 770 74 18ms 8 Jun 2022 252nd rowboat1 770 74 21ms 10 Jun 2022 252nd inverseLorentz 🇦🇺 770 74 19ms 13 Jun 2022 252nd clementblaudeau 770 74 24ms 29 Jun 2022 252nd adoxography 770 74 19ms 13 Jul 2022 252nd Attero 🇸🇪 770 74 21ms 20 Jul 2022 252nd Heathcorp 🇦🇺 770 74 23ms 27 Jul 2022 252nd jfallon1997 770 74 20ms 11 Aug 2022 252nd VictorFordham 770 74 26ms 26 Aug 2022 252nd georgehulme 770 74 20ms 1 Sep 2022 252nd smartiel 770 74 21ms 15 Sep 2022 252nd trist224 🇫🇷 770 74 19ms 21 Sep 2022 252nd Kloppermand 🇩🇰 770 74 22ms 7 Oct 2022 252nd knutae 🇳🇴 770 74 20ms 9 Oct 2022 252nd Troon 770 74 20ms 14 Oct 2022 252nd MaxElf999 770 74 21ms 14 Oct 2022 252nd SniperSmiley 🇺🇸 770 74 20ms 6 Dec 2022 252nd elephantpanda 770 74 21ms 10 Dec 2022 252nd ArthurBond 770 74 21ms 19 Dec 2022 252nd Larspolo 770 74 19ms 25 Dec 2022 252nd dcc5480 770 74 19ms 12 Jan 2023 252nd Ripick 770 74 20ms 1 Feb 2023 252nd m3nt0ras 🇬🇷 770 74 21ms 3 Feb 2023 252nd Skwerl23 770 74 20ms 5 Feb 2023 252nd frankgraziano 770 74 19ms 19 Feb 2023 252nd KenanHanke 770 74 23ms 21 Feb 2023 252nd DanielPeterssonAI 770 74 19ms 13 Mar 2023 252nd jiaminglimjm 🇲🇾 770 74 20ms 20 Mar 2023 252nd ejini6969 770 74 20ms 22 Mar 2023 252nd GulgDev 770 74 20ms 22 Mar 2023 252nd vrnprkh 770 74 21ms 30 Mar 2023 252nd RuyiLi 770 74 20ms 1 Apr 2023 252nd StardustGogeta 770 74 20ms 7 May 2023 252nd zbreit 🇺🇸 770 74 20ms 7 May 2023 252nd kyleclaassen 770 74 21ms 20 May 2023 252nd mbittner20 770 74 20ms 27 May 2023 252nd tweska 🇳🇱 770 74 19ms 5 Jun 2023 252nd cros107 🇦🇺 770 74 19ms 11 Aug 2023 252nd yourlefthandman 770 74 21ms 16 Aug 2023 252nd daisyyedda 770 74 20ms 17 Aug 2023 252nd cesarm4 770 74 22ms 29 Aug 2023 252nd midnattssol 🇸🇪 770 74 22ms 22 Sep 2023 252nd lambda-abstraction 770 74 22ms 21 Oct 2023 252nd levavft 770 74 19ms 26 Oct 2023 252nd Buecherfresser 770 74 19ms 22 Nov 2023 252nd anarconic 770 74 54ms 8 Dec 2023 252nd azure-blondon 770 74 20ms 11 Dec 2023 252nd kurkale6ka 770 74 22ms 20 Dec 2023 252nd Anonymousellama21 770 74 22ms 14 Mar 2024 252nd Bmrl7 770 74 20ms 23 Mar 2024 252nd cefqrn 770 74 22ms 26 May 2024 252nd drochom 770 74 21ms 18 Jun 2024 252nd hiichbindermax 770 74 20ms 22 Jun 2024 252nd cykim8811 770 74 52ms 11 Jul 2024 252nd imelxr 🇮🇱 770 74 25ms 17 Aug 2024 252nd EnTerr 770 74 23ms 25 Aug 2024 252nd Mabeloid 🇳🇴 770 74 29ms 1 Sep 2024 252nd LostSyntax21 🇬🇧 770 74 21ms 10 Sep 2024 252nd Deedogg 770 74 21ms 11 Sep 2024 252nd MassimoParisi 770 74 25ms 18 Sep 2024 252nd agreegious 770 74 21ms 17 Nov 2024 252nd Stockoh 🇫🇷 770 74 25ms 17 Nov 2024 First Prev 241–320 of 848 Next Last
