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 Dragon Curve 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 Dragon Curve 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 255th MassimoParisi 770 74 25ms 18 Sep 2024 255th agreegious 770 74 21ms 17 Nov 2024 255th Stockoh 🇫🇷 770 74 25ms 17 Nov 2024 255th Andrey135296 770 74 21ms 24 Nov 2024 255th TralfamadorianComedian 770 74 19ms 6 Dec 2024 255th bltnppcnt 770 74 34ms 3 Jan 2025 255th ZorblaxV 770 74 20ms 12 Jan 2025 255th yokasuretsu 770 74 19ms 13 Jan 2025 255th gdpr777 770 74 34ms 10 Feb 2025 255th Pyroan 770 74 22ms 27 Mar 2025 255th Squimbletin 770 74 20ms 19 Apr 2025 255th Dandandooo 770 74 20ms 23 Apr 2025 255th khangtm123 770 74 20ms 4 May 2025 255th 40fied4t 770 74 19ms 6 May 2025 255th gamk3 770 74 19ms 6 May 2025 255th TheZwierzLF 🇵🇱 770 74 20ms 21 May 2025 255th kbeat 🇰🇿 770 74 20ms 21 May 2025 255th LvLError 770 74 21ms 29 May 2025 255th ffelixm 770 74 20ms 3 Jun 2025 255th osNiko 🇧🇷 770 74 21ms 26 Jul 2025 255th wobblybits 770 74 19ms 13 Aug 2025 255th denisfouchard 770 74 20ms 23 Aug 2025 255th Emutis 🇱🇹 770 74 25ms 23 Aug 2025 255th Matter1024 🇮🇳 770 74 21ms 11 Sep 2025 255th pauljoohyunkim 770 74 20ms 25 Sep 2025 255th joll05 🇸🇪 770 74 24ms 1 Oct 2025 255th retrohun 770 74 20ms 3 Oct 2025 255th Code-Coder-coder 770 74 22ms 12 Oct 2025 255th fvla 770 74 26ms 31 Oct 2025 255th zgialor-lab 770 74 19ms 17 Dec 2025 255th 77Tigers 770 74 22ms 8 Jan 2026 255th netfri25 🇮🇱 770 74 31ms 31 Jan 2026 255th rotemkm 770 74 22ms 14 Feb 2026 255th RodAlc24 🇪🇸 770 74 21ms 26 Feb 2026 255th Sandw1ch123 770 74 20ms 26 days ago 255th LandonWeng 770 74 19ms 12 days ago 255th TudyM 🇷🇴 770 74 24ms 3 days ago 358th martinnorling 🇸🇪 760 75 23ms 5 May 2022 358th Trunksistor 🇫🇷 760 75 23ms 9 May 2022 358th bbakersmith 760 75 25ms 28 Jun 2022 358th bsoyka 🇺🇸 760 75 18ms 16 Jul 2022 358th julienlamoureux78 760 75 20ms 12 Aug 2022 358th dzshn 760 75 26ms 16 Aug 2022 358th destofr 760 75 19ms 25 Aug 2022 358th vishwathg 760 75 53ms 10 Oct 2022 358th nkoppel 760 75 21ms 19 Oct 2022 358th AZ9tumas 760 75 20ms 23 Oct 2022 358th EthanGrant1 760 75 22ms 7 Nov 2022 358th Omega65536 🇩🇪 760 75 22ms 24 Nov 2022 358th b10011 🇫🇮 760 75 25ms 3 Jan 2023 358th 4ndyJ 🇬🇧 760 75 28ms 3 Jan 2023 358th randolchance 760 75 19ms 8 Jan 2023 358th LeeCamp 760 75 19ms 12 Jan 2023 358th hellwue 760 75 19ms 15 Feb 2023 358th nandanjp 760 75 20ms 29 Mar 2023 358th galloj 🇨🇿 760 75 19ms 20 May 2023 358th jhu04 760 75 21ms 23 Jun 2023 358th HelloYuiYui 760 75 21ms 1 Nov 2023 358th tobyLovick 760 75 27ms 10 Nov 2023 358th RZ781 760 75 29ms 19 Nov 2023 358th mikehanus 760 75 25ms 21 Nov 2023 358th Hebelub 760 75 22ms 6 Jan 2024 358th minhtrancccp 760 75 26ms 11 Jan 2024 358th jbjd 760 75 22ms 25 Feb 2024 358th gabe-gallegos 760 75 20ms 2 May 2024 358th kejcao 🇨🇦 760 75 26ms 11 May 2024 358th Florian-Mt 760 75 20ms 22 Jul 2024 358th codingisgreatbutiamnot 760 75 21ms 9 Aug 2024 358th Terobero 760 75 33ms 23 Aug 2024 358th RedzGoose 🇦🇺 760 75 30ms 7 Oct 2024 358th Clay-Goodling 760 75 26ms 8 Oct 2024 358th jiji7879 760 75 25ms 20 Jun 2025 358th faragocsaba 760 75 23ms 22 Jun 2025 358th bknower 760 75 23ms 30 Jun 2025 358th clayboll99 760 75 23ms 14 Jul 2025 358th Nikinator2704 760 75 20ms 1 Nov 2025 358th mmoffitt 760 75 26ms 19 Nov 2025 358th AdrienHache 🇫🇷 760 75 22ms 20 Dec 2025 358th jesuscbm 760 75 22ms 26 Feb 2026 400th guilhem-roy 🇫🇷 750 76 25ms 5 May 2022 First Prev 321–400 of 853 Next Last
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