Collatz in Python 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 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 Trinomial Triangle 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 674th IoLimmer 548 104 24 Jul 2024 677th LordSir101 543 105 19 Jul 2022 677th tmanternach 543 105 24 Nov 2022 677th weber-hge 543 105 13 Jun 2023 677th Eugen-str 543 105 24 Oct 2023 681st ms-tingliang 538 106 5 Aug 2022 681st achilleasr 538 106 7 Nov 2022 681st OleBrumm 538 106 8 Jan 2023 681st AbhilashaTandon 538 106 19 Sep 2023 681st sheeperino 🇮🇹 538 106 11 Oct 2024 686th phpboyscout 533 107 18 May 2023 686th DrPrettyman 533 107 5 Jul 2023 686th joseph-w0ng 533 107 5 Jul 2024 686th EnisEfe0 533 107 18 May 2025 690th landyrisbad 528 108 13 Nov 2022 690th cakular 528 108 17 May 2024 690th glassala 528 108 25 Oct 2024 693rd tjefferson401 523 109 16 Sep 2022 693rd ariesmarinus 523 109 21 Nov 2024 695th profJGermain 518 110 7 Feb 2024 695th JMMMMC 518 110 23 Oct 2024 695th jtb0362 518 110 10 May 2025 698th sagnik3 509 112 8 Aug 2022 698th craftablescience 509 112 19 Sep 2023 700th kelseychristensen 504 113 2 Nov 2022 700th ArmsTheLimited 504 113 1 Jun 2023 702nd HunterC14 500 114 18 Oct 2024 703rd jstechman 496 115 24 Feb 2024 703rd dan422442 496 115 19 Oct 2024 705th keelanfh 491 116 20 Dec 2023 705th returnitynet 491 116 27 Jan 2025 707th gioto64 487 117 8 Dec 2022 707th WilfredSalmon 487 117 21 Oct 2023 709th XianchengZ 483 118 18 Aug 2023 709th brindak2005 483 118 2 May 2025 711th jmmographer 467 122 21 Oct 2023 711th RucatJ 467 122 8 Aug 2025 713th xbxbxb007 463 123 10 Jan 2024 714th kevinnaviapaiva 442 129 20 Feb 2025 715th AdrianN001 438 130 6 Aug 2023 716th wyatt-the-hump 435 131 24 Dec 2022 716th hotmanga 435 131 20 Oct 2023 716th Jordynar02 435 131 3 May 2025 719th Zach10za 429 133 23 Jan 2024 720th vtilde 425 134 8 Jan 2024 721st fig-apple 422 135 24 Jun 2023 722nd S-Ruban 416 137 25 Feb 2023 723rd FLOKI0421 410 139 4 May 2025 723rd noahdorsch 410 139 5 May 2025 725th bartsowka2000 383 149 10 Jul 2023 726th KapelMeister 380 150 15 days ago 727th sa1640 370 154 28 Apr 2025 728th arinhyther 368 155 24 Dec 2022 729th SebbeCaliban 363 157 11 Apr 2023 730th codefeld 329 173 5 Mar 2023 731st fl3ur1nestimable 320 178 24 Oct 2022 732nd Siyasia 302 189 22 Apr 2025 733rd kalehika1234 295 193 24 Apr 2025 734th hannahherbig 294 194 30 Mar 2023 735th dahappy1989 278 205 5 Nov 2023 736th sahilshresthaa 277 206 4 May 2025 737th jalbertgordon 275 207 24 Oct 2023 738th AidanWalter 273 209 3 Jan 2025 739th sayloren 263 217 5 Mar 2023 739th AshayP123 263 217 1 May 2025 741st rubenguajardount 253 225 4 May 2025 742nd amritm55 250 228 1 Apr 2025 743rd clarkatunt19 249 229 3 May 2025 744th jac1107 248 230 4 May 2025 744th rcs0252 248 230 4 May 2025 746th apurbapokharel 244 234 3 Apr 2025 747th wlopez44 236 242 29 Apr 2025 747th sakshiPatel2602 236 242 3 May 2025 749th Zok030 235 243 1 Apr 2025 749th Josemnz 235 243 28 Apr 2025 Prev 676–750 of 775 Next