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 249th bltnppcnt 770 74 36ms 3 Jan 2025 249th ZorblaxV 770 74 21ms 12 Jan 2025 249th yokasuretsu 770 74 22ms 13 Jan 2025 249th gdpr777 770 74 37ms 10 Feb 2025 249th Pyroan 770 74 21ms 27 Mar 2025 249th Squimbletin 770 74 20ms 19 Apr 2025 249th Dandandooo 770 74 20ms 23 Apr 2025 249th khangtm123 770 74 20ms 4 May 2025 249th 40fied4t 770 74 19ms 6 May 2025 249th gamk3 770 74 18ms 6 May 2025 249th TheZwierzLF 🇵🇱 770 74 21ms 21 May 2025 249th kbeat 🇰🇿 770 74 19ms 21 May 2025 249th LvLError 770 74 19ms 29 May 2025 249th ffelixm 770 74 20ms 3 Jun 2025 249th osNiko 🇧🇷 770 74 20ms 26 Jul 2025 249th wobblybits 770 74 18ms 13 Aug 2025 249th denisfouchard 770 74 19ms 23 Aug 2025 249th Emutis 🇱🇹 770 74 20ms 23 Aug 2025 249th edsrzf 🇳🇿 770 74 19ms 10 Sep 2025 249th Matter1024 🇮🇳 770 74 20ms 11 Sep 2025 249th pauljoohyunkim 770 74 18ms 25 Sep 2025 249th joll05 🇸🇪 770 74 23ms 1 Oct 2025 249th retrohun 770 74 19ms 3 Oct 2025 249th solisolu 770 74 19ms 4 Oct 2025 249th Code-Coder-coder 770 74 19ms 12 Oct 2025 249th fvla 770 74 25ms 31 Oct 2025 249th zgialor-lab 770 74 18ms 17 Dec 2025 249th 77Tigers 770 74 23ms 8 Jan 2026 249th netfri25 🇮🇱 770 74 20ms 31 Jan 2026 249th rotemkm 770 74 19ms 14 Feb 2026 249th RodAlc24 🇪🇸 770 74 19ms 26 Feb 2026 249th Sandw1ch123 770 74 19ms 3 days ago 353rd martinnorling 🇸🇪 760 75 24ms 5 May 2022 353rd Trunksistor 🇫🇷 760 75 24ms 9 May 2022 353rd bbakersmith 760 75 22ms 28 Jun 2022 353rd bsoyka 🇺🇸 760 75 19ms 16 Jul 2022 353rd julienlamoureux78 760 75 20ms 12 Aug 2022 353rd dzshn 760 75 24ms 16 Aug 2022 353rd destofr 760 75 18ms 25 Aug 2022 353rd vishwathg 760 75 49ms 10 Oct 2022 353rd nkoppel 760 75 19ms 19 Oct 2022 353rd AZ9tumas 760 75 20ms 23 Oct 2022 353rd EthanGrant1 760 75 24ms 7 Nov 2022 353rd Omega65536 🇩🇪 760 75 19ms 24 Nov 2022 353rd b10011 🇫🇮 760 75 24ms 3 Jan 2023 353rd 4ndyJ 🇬🇧 760 75 23ms 3 Jan 2023 353rd randolchance 760 75 21ms 8 Jan 2023 353rd LeeCamp 760 75 20ms 12 Jan 2023 353rd hellwue 760 75 20ms 15 Feb 2023 353rd nandanjp 760 75 20ms 29 Mar 2023 353rd galloj 🇨🇿 760 75 18ms 20 May 2023 353rd jhu04 760 75 19ms 23 Jun 2023 353rd HelloYuiYui 760 75 18ms 1 Nov 2023 353rd tobyLovick 760 75 26ms 10 Nov 2023 353rd RZ781 760 75 27ms 19 Nov 2023 353rd mikehanus 760 75 26ms 21 Nov 2023 353rd Hebelub 760 75 23ms 6 Jan 2024 353rd minhtrancccp 760 75 25ms 11 Jan 2024 353rd jbjd 760 75 23ms 25 Feb 2024 353rd gabe-gallegos 760 75 19ms 2 May 2024 353rd kejcao 🇨🇦 760 75 25ms 11 May 2024 353rd Florian-Mt 760 75 19ms 22 Jul 2024 353rd codingisgreatbutiamnot 760 75 21ms 9 Aug 2024 353rd Terobero 760 75 32ms 23 Aug 2024 353rd RedzGoose 🇦🇺 760 75 22ms 7 Oct 2024 353rd Clay-Goodling 760 75 24ms 8 Oct 2024 353rd jiji7879 760 75 24ms 20 Jun 2025 353rd faragocsaba 760 75 24ms 22 Jun 2025 353rd bknower 760 75 19ms 30 Jun 2025 353rd clayboll99 760 75 23ms 14 Jul 2025 353rd Nikinator2704 760 75 18ms 1 Nov 2025 353rd mmoffitt 760 75 26ms 19 Nov 2025 353rd AdrienHache 🇫🇷 760 75 19ms 20 Dec 2025 353rd jesuscbm 760 75 19ms 26 Feb 2026 395th guilhem-roy 🇫🇷 750 76 24ms 5 May 2022 395th NewDefectus 🇮🇱 750 76 22ms 6 May 2022 395th CuboidRaptor 🇨🇦 750 76 23ms 25 May 2022 395th TheSmilingTurtle 750 76 26ms 5 Jun 2022 395th Romain-1 🇫🇷 750 76 19ms 8 Jun 2022 395th jhpaques 🇫🇷 750 76 23ms 30 Jul 2022 First Prev 321–400 of 844 Next Last
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