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 721st LukeRichardson-dev 576 99 15ms 12 May 2022 721st Tagfox 576 99 20ms 18 Jul 2022 721st gabrielsqw 576 99 23ms 24 Oct 2023 721st sciencedjinn 576 99 19ms 8 Nov 2024 721st MrNiknoc 576 99 18ms 15 Jun 2025 726th OppositeShark 570 100 18ms 19 Jul 2022 726th NOS4A5I 570 100 18ms 10 Jan 2023 726th lomarbrick 570 100 18ms 16 May 2023 726th karlaacastro44 570 100 18ms 5 May 2025 730th markus-rekdal 564 101 23ms 10 May 2022 730th fraserli 🇦🇺 564 101 23ms 2 May 2023 730th FCORMERAIS 564 101 19ms 6 Mar 2024 730th yhm138 564 101 14ms 16 Feb 2025 730th MinecraftFan69420 564 101 21ms 31 Oct 2025 735th AndersH3 🇸🇪 559 102 16ms 17 May 2023 735th JulieGermainUNT 559 102 19ms 2 Apr 2025 735th NicoBliss 559 102 23ms 16 Nov 2025 738th rajlath 553 103 19ms 7 Jan 2023 738th mnurzia 553 103 16ms 12 Oct 2023 738th sqrteipi 553 103 20ms 2 Apr 2024 738th calum12345 553 103 19ms 26 Mar 2025 742nd winigo3 548 104 24ms 8 Aug 2022 742nd zt14427 548 104 19ms 30 Apr 2023 742nd IoLimmer 548 104 17ms 24 Jul 2024 742nd Deneb999 548 104 24ms 26 Feb 2026 746th LordSir101 543 105 16ms 19 Jul 2022 746th tmanternach 543 105 19ms 24 Nov 2022 746th weber-hge 543 105 15ms 13 Jun 2023 746th Eugen-str 543 105 20ms 24 Oct 2023 750th ms-tingliang 538 106 14ms 5 Aug 2022 750th achilleasr 538 106 20ms 7 Nov 2022 750th OleBrumm 538 106 21ms 8 Jan 2023 750th AbhilashaTandon 538 106 20ms 19 Sep 2023 750th sheeperino 🇮🇹 538 106 20ms 11 Oct 2024 755th phpboyscout 533 107 17ms 18 May 2023 755th DrPrettyman 533 107 15ms 5 Jul 2023 755th joseph-w0ng 533 107 15ms 5 Jul 2024 755th EnisEfe0 533 107 20ms 18 May 2025 759th landyrisbad 528 108 19ms 13 Nov 2022 759th cakular 528 108 25ms 17 May 2024 759th glassala 528 108 15ms 25 Oct 2024 759th CarterStroik 528 108 19ms 12 Nov 2025 763rd tjefferson401 523 109 29ms 16 Sep 2022 763rd ariesmarinus 523 109 16ms 21 Nov 2024 765th profJGermain 518 110 20ms 7 Feb 2024 765th JMMMMC 518 110 20ms 23 Oct 2024 765th jtb0362 518 110 20ms 10 May 2025 768th sagnik3 509 112 19ms 8 Aug 2022 768th craftablescience 509 112 17ms 19 Sep 2023 770th kelseychristensen 504 113 20ms 2 Nov 2022 770th ArmsTheLimited 504 113 15ms 1 Jun 2023 772nd jstechman 496 115 19ms 24 Feb 2024 772nd dan422442 496 115 19ms 19 Oct 2024 774th keelanfh 491 116 16ms 20 Dec 2023 774th returnitynet 491 116 17ms 27 Jan 2025 774th EthanPatel01000101 491 116 17ms 20 Oct 2025 777th gioto64 487 117 16ms 8 Dec 2022 777th WilfredSalmon 487 117 17ms 21 Oct 2023 779th XianchengZ 483 118 20ms 18 Aug 2023 779th brindak2005 483 118 17ms 2 May 2025 781st jmmographer 467 122 20ms 21 Oct 2023 781st RucatJ 467 122 19ms 8 Aug 2025 783rd xbxbxb007 463 123 21ms 10 Jan 2024 784th kevinnaviapaiva 442 129 18ms 20 Feb 2025 785th AdrianN001 438 130 17ms 6 Aug 2023 786th wyatt-the-hump 435 131 16ms 24 Dec 2022 786th hotmanga 435 131 13ms 20 Oct 2023 786th Jordynar02 435 131 19ms 3 May 2025 789th Zach10za 429 133 23ms 23 Jan 2024 790th vtilde 425 134 17ms 8 Jan 2024 791st fig-apple 422 135 11ms 24 Jun 2023 792nd S-Ruban 416 137 13ms 25 Feb 2023 793rd FLOKI0421 410 139 17ms 4 May 2025 793rd noahdorsch 410 139 20ms 5 May 2025 795th bartsowka2000 383 149 20ms 10 Jul 2023 796th KapelMeister 380 150 14ms 5 Sep 2025 797th Shegofa-Ahmadi 370 154 15ms 28 Apr 2025 798th arinhyther 368 155 17ms 24 Dec 2022 799th SebbeCaliban 363 157 18ms 11 Apr 2023 800th codefeld 329 173 20ms 5 Mar 2023 First Prev 721–800 of 846 Next Last
