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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 676th profJGermain 518 110 7 Feb 2024 676th JMMMMC 518 110 23 Oct 2024 676th jtb0362 518 110 10 May 2025 679th sagnik3 509 112 8 Aug 2022 679th craftablescience 509 112 19 Sep 2023 681st kelseychristensen 504 113 2 Nov 2022 681st ArmsTheLimited 504 113 1 Jun 2023 683rd HunterC14 500 114 18 Oct 2024 684th jstechman 496 115 24 Feb 2024 684th dan422442 496 115 19 Oct 2024 686th keelanfh 491 116 20 Dec 2023 686th returnitynet 491 116 27 Jan 2025 688th gioto64 487 117 8 Dec 2022 688th WilfredSalmon 487 117 21 Oct 2023 690th XianchengZ 483 118 18 Aug 2023 690th brindak2005 483 118 2 May 2025 692nd jmmographer 467 122 21 Oct 2023 693rd xbxbxb007 463 123 10 Jan 2024 694th kevinnaviapaiva 442 129 20 Feb 2025 695th AdrianN001 438 130 6 Aug 2023 696th wyatt-the-hump 435 131 24 Dec 2022 696th hotmanga 435 131 20 Oct 2023 696th Jordynar02 435 131 3 May 2025 699th Zach10za 429 133 23 Jan 2024 700th vtilde 425 134 8 Jan 2024 701st fig-apple 422 135 24 Jun 2023 702nd S-Ruban 416 137 25 Feb 2023 703rd FLOKI0421 410 139 4 May 2025 703rd noahdorsch 410 139 5 May 2025 705th bartsowka2000 383 149 10 Jul 2023 706th sa1640 370 154 28 Apr 2025 707th arinhyther 368 155 24 Dec 2022 708th SebbeCaliban 363 157 11 Apr 2023 709th codefeld 329 173 5 Mar 2023 710th fl3ur1nestimable 320 178 24 Oct 2022 711th Siyasia 302 189 22 Apr 2025 712th kalehika1234 295 193 24 Apr 2025 713th hannahherbig 294 194 30 Mar 2023 714th Upload-and-View 🇺🇦 282 202 3 days ago 715th dahappy1989 278 205 5 Nov 2023 716th sahilshresthaa 277 206 4 May 2025 717th jalbertgordon 275 207 24 Oct 2023 718th AidanWalter 273 209 3 Jan 2025 719th sayloren 263 217 5 Mar 2023 719th AshayP123 263 217 1 May 2025 721st rubenguajardount 253 225 4 May 2025 722nd amritm55 250 228 1 Apr 2025 723rd clarkatunt19 249 229 3 May 2025 724th jac1107 248 230 4 May 2025 724th rcs0252 248 230 4 May 2025 726th apurbapokharel 244 234 3 Apr 2025 727th wlopez44 236 242 29 Apr 2025 727th sakshiPatel2602 236 242 3 May 2025 729th Zok030 235 243 1 Apr 2025 729th Josemnz 235 243 28 Apr 2025 731st tophy6 232 246 1 Apr 2025 731st LyndaS317 232 246 14 Apr 2025 733rd letdank 231 247 1 Apr 2025 733rd AdamGonzo1254 231 247 3 May 2025 735th shawncrabtree 226 252 23 days ago 736th punkroczombie 224 254 4 May 2025 737th Abulsamad 200 285 5 May 2025 738th aidnrox 188 303 2 May 2025 739th OffSecVik 188 304 25 Feb 2023 740th Hailee100 182 314 1 Apr 2025 741st lightediand 🇬🇧 179 319 14 Dec 2022 742nd chaamsak 177 322 1 May 2025 743rd joshuamkite 174 328 15 Aug 2023 744th 27carig 173 330 2 May 2025 745th steven-purcell 154 370 15 Jan 2024 746th lightgeb 148 384 27 Oct 2023 747th Samtheman773 146 390 22 Apr 2025 748th jejuan05 127 450 1 Apr 2025 749th DiyaKumariGupta 102 560 30 Apr 2025 750th chasedillard 92 619 30 Apr 2025 Prev 676–750 of 754 Next