The Continued Fractions hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Collatz in all languages in bytes. 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 626th shelerr 883 70 20ms 9 Sep 2022 626th stewSquared 🇺🇸 883 70 20ms 27 Sep 2022 626th orthoplex 🇨🇽 883 70 24ms 9 Oct 2022 626th 5quiwyrm 883 70 18ms 19 Oct 2022 626th myfatemi04 883 70 20ms 4 Nov 2022 626th kevinmchung 883 70 19ms 4 Nov 2022 626th FlorianCassayre 🇫🇷 883 70 18ms 7 Nov 2022 626th fourth-bit 883 70 19ms 29 Nov 2022 626th QuincyNash 🇺🇸 883 70 20ms 29 Nov 2022 626th aksyristos 883 70 20ms 25 Dec 2022 626th thizanne 883 70 20ms 27 Dec 2022 626th Alex-x90 🇺🇸 883 70 20ms 20 Jan 2023 626th bob-th 883 70 20ms 24 Jan 2023 626th SirFireball3521 883 70 17ms 25 Jan 2023 626th stefangimmillaro 883 70 21ms 6 Feb 2023 626th FieryIceStickie 883 70 18ms 3 Apr 2023 626th MeWhenI 🇻🇦 883 70 19ms 30 Apr 2023 626th fgrosshans 🇫🇷 883 70 18ms 5 May 2023 626th Shanethegamer 🇺🇸 883 70 20ms 25 May 2023 626th InigoK 🇺🇸 883 70 20ms 14 Jun 2023 626th quimey 883 70 16ms 15 Jun 2023 626th CornerMercury 🇬🇧 883 70 20ms 19 Jun 2023 626th ndren 883 70 19ms 2 Aug 2023 626th janbehrens 🇩🇪 883 70 21ms 24 Nov 2023 626th namelessiw 883 70 19ms 9 Jan 2024 626th mathisfun271 883 70 20ms 13 Feb 2024 626th Just4FunCoder 883 70 20ms 17 Feb 2024 626th ThijsLuttikhuis 883 70 20ms 3 Mar 2024 626th elgan65536 🇺🇸 883 70 19ms 5 Mar 2024 626th jtaxen 883 70 19ms 1 Apr 2024 626th HumanoidCPU 883 70 19ms 6 May 2024 626th abc7-12 883 70 22ms 6 May 2024 626th ahmetdemirag 🇨🇾 883 70 20ms 9 Jun 2024 626th FranklinJiaChen 883 70 18ms 4 Jul 2024 626th 5cw 🇺🇸 883 70 21ms 13 Jul 2024 626th CaedenHarper 🇨🇦 883 70 21ms 3 Aug 2024 626th emgordon154 883 70 20ms 5 Aug 2024 626th dokutan 883 70 19ms 9 Aug 2024 626th jatloe 883 70 20ms 26 Aug 2024 626th lgrandco 883 70 18ms 9 Oct 2024 626th snydej 883 70 20ms 21 Nov 2024 626th erikji 883 70 20ms 4 Feb 2025 626th CutSandstone 883 70 20ms 4 Feb 2025 626th albanian-laundromat 883 70 18ms 12 Apr 2025 626th xsot 🇸🇬 883 70 23ms 3 May 2025 626th fuzzylojik-golf 🇺🇸 883 70 20ms 14 Jun 2025 626th smilesformiles3 883 70 21ms 14 Jun 2025 626th KasperKivimaeki 🇫🇮 883 70 20ms 30 Jun 2025 626th adaGrad1 883 70 19ms 10 Aug 2025 626th EthanJantz 883 70 19ms 10 Aug 2025 626th qpwoeirut 883 70 16ms 10 Aug 2025 626th katss2 883 70 19ms 17 Aug 2025 626th intgrah 883 70 20ms 23 Sep 2025 626th ryyyn 🇺🇸 883 70 19ms 29 Oct 2025 626th luuumine 🇫🇷 883 70 19ms 3 Nov 2025 626th Babafaba 883 70 20ms 7 Nov 2025 626th commandz0 🇺🇸 883 70 19ms 16 Nov 2025 626th hellopir2 883 70 22ms 23 Nov 2025 626th bzijlema 🇳🇱 883 70 20ms 3 Dec 2025 626th blaztoma 🇱🇹 883 70 21ms 10 days ago 626th firegene 🇮🇪 883 70 20ms 24 hours ago 702nd frankgraziano 883 75 17ms 3 days ago 703rd Shanethegamer 🇺🇸 882 51 511ms 15 May 2023 704th GrayJoKing 🇦🇺 882 60 136ms 24 Oct 2024 705th GrayJoKing 🇦🇺 882 84 35ms 19 Jun 2022 705th primo-ppcg 🇹🇭 882 84 36ms 29 Jun 2022 705th MeWhenI 🇻🇦 882 84 38ms 30 Dec 2025 708th primo-ppcg 🇹🇭 882 193 107ms 14 Aug 2025 709th Shanethegamer 🇺🇸 881 73 116ms 8 May 2025 709th DialFrost 🇸🇬 881 73 90ms 3 Jun 2025 709th edsrzf 🇳🇿 881 73 105ms 4 Jul 2025 712th Shanethegamer 🇺🇸 881 142 1,428ms 27 Mar 2025 712th DialFrost 🇸🇬 881 142 1,412ms 28 Mar 2025 712th emgordon154 881 142 2,009ms 10 Apr 2025 712th GolfingSuccess 🇬🇷 881 142 1,464ms 6 Dec 2025 716th JayXon 🇺🇸 881 158 1,772ms 14 Sep 2025 717th dokutan 880 62 5ms 28 Apr 2025 718th johnnythedoggie 880 72 87ms 13 May 2022 718th kaascevich 880 72 90ms 8 Jul 2025 720th DialFrost 🇸🇬 878 56 1,180ms 1 Sep 2025 First Prev 641–720 of 3,603 Next Last