The Continued Fractions hole will go live in approximately 27 hours. Why not try and solve it ahead of time?
ROT13 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 400th ehulinsky 🇺🇸 835 78 11ms 29 Mar 2025 402nd sean-niemann 🇺🇸 835 127 42ms 4 Jan 2025 403rd saito-ta 🇯🇵 834 80 4ms 13 Jan 2025 404th GrayJoKing 🇦🇺 834 96 27ms 25 Nov 2025 405th GrayJoKing 🇦🇺 834 101 2ms 14 Jul 2025 406th m-tkach 🇺🇦 834 130 14ms 7 Jan 2025 407th MeWhenI 🇻🇦 833 41 19ms 5 Jan 2025 408th DialFrost 🇸🇬 833 55 66ms 1 Jan 2025 408th snoozingnewt 🇨🇦 833 55 69ms 11 Sep 2025 410th edsrzf 🇳🇿 831 111 11ms 44 hours ago 411th frankgraziano 831 215 3,677ms 11 Aug 2025 412th GolfingSuccess 🇬🇷 830 224 1,888ms 11 Jan 2026 413th DialFrost 🇸🇬 829 46 685ms 12 days ago 414th edsrzf 🇳🇿 829 89 8ms 14 Oct 2025 415th DialFrost 🇸🇬 828 40 34ms 1 Jan 2025 415th jmerle 🇳🇱 828 40 35ms 7 Jan 2025 415th Andriamanitra 🇫🇮 828 40 35ms 12 Jan 2025 415th frankgraziano 828 40 34ms 12 May 2025 415th Just4FunCoder 828 40 34ms 14 Sep 2025 415th albanian-laundromat 828 40 36ms 30 Oct 2025 421st iczelia 🇩🇪 827 45 4ms 21 Sep 2025 422nd primo-ppcg 🇹🇭 827 216 3,737ms 13 Aug 2025 423rd edsrzf 🇳🇿 825 61 1,312ms 20 Jul 2025 424th yhm138 825 79 10ms 16 Feb 2025 425th error256 825 122 25ms 8 Jan 2025 426th m-tkach 🇺🇦 824 81 2ms 7 Jan 2025 426th rhdqor213 824 81 2ms 9 Dec 2025 426th GolfingSuccess 🇬🇷 824 81 2ms 27 days ago 429th kg583 🇺🇸 824 144 40ms 20 Dec 2025 430th edsrzf 🇳🇿 823 66 2,320ms 2 Nov 2025 431st voytxt 🇨🇿 823 106 10ms 4 Jan 2025 431st targrik 823 106 10ms 4 Apr 2025 433rd IanUtley 823 109 17ms 6 Jan 2025 434th DialFrost 🇸🇬 822 67 476ms 1 Jan 2025 434th m-tkach 🇺🇦 822 67 428ms 23 Jul 2025 434th FEZfan 🇦🇺 822 67 428ms 1 Nov 2025 437th stefangimmillaro 821 87 414ms 14 Jan 2025 437th SirBogman 🇺🇸 821 87 424ms 23 Jan 2025 437th tomtheisen 🇺🇸 821 87 425ms 15 Feb 2025 437th namelessiw 821 87 399ms 24 Jul 2025 441st m-tkach 🇺🇦 821 102 447ms 7 Jan 2025 442nd zacjl 821 105 15ms 8 Jan 2025 443rd edsrzf 🇳🇿 818 145 44ms 20 Jul 2025 444th MeWhenI 🇻🇦 817 98 30ms 25 Nov 2025 445th Natanaelel 🇸🇪 816 44 97ms 13 Jan 2025 446th ovs-code 🇩🇪 816 79 138ms 17 Apr 2025 447th DialFrost 🇸🇬 815 87 440ms 1 Jan 2025 447th edsrzf 🇳🇿 815 87 482ms 2 Nov 2025 449th rucin93 🇵🇱 815 89 154ms 7 Dec 2025 449th sean-niemann 🇺🇸 815 89 148ms 7 Dec 2025 451st JOrE20 815 107 10ms 6 hours ago 452nd saito-ta 🇯🇵 815 115 20ms 12 Jan 2025 453rd saito-ta 🇯🇵 814 26 59ms 12 Jan 2025 454th GolfingSuccess 🇬🇷 812 26 3ms 20 Mar 2025 455th stefangimmillaro 812 62 1,282ms 4 Jan 2025 456th Shanethegamer 🇺🇸 810 68 386ms 2 Jan 2025 456th dokutan 810 68 397ms 6 Jan 2025 456th HumanoidCPU 810 68 408ms 7 Jan 2025 456th SirBogman 🇺🇸 810 68 545ms 15 Jan 2025 456th albanian-laundromat 810 68 407ms 4 Aug 2025 456th TheZwierzLF 🇵🇱 810 68 470ms 22 Nov 2025 456th Yewzir 🇧🇪 810 68 377ms 1 Dec 2025 456th snoozingnewt 🇨🇦 810 68 384ms 7 days ago 464th stefangimmillaro 809 126 160ms 14 Jan 2025 465th aksyristos 808 41 35ms 7 Jan 2025 465th CornerMercury 🇬🇧 808 41 35ms 17 Jan 2025 465th HumanoidCPU 808 41 34ms 1 Feb 2025 465th dokutan 808 41 35ms 4 Feb 2025 465th CaedenHarper 🇨🇦 808 41 36ms 7 Sep 2025 465th prestosilver 🇺🇸 808 41 34ms 18 Nov 2025 471st CLOStrophobic 🇮🇹 808 115 15ms 19 Jan 2025 471st kg583 🇺🇸 808 115 17ms 3 days ago 473rd SirBogman 🇺🇸 807 61 335ms 9 Jan 2025 474th Maznek 807 108 11ms 9 Jan 2025 475th kg583 🇺🇸 806 88 7ms 12 days ago 476th stefangimmillaro 806 135 297ms 2 Jan 2025 477th GolfingSuccess 🇬🇷 805 104 580ms 27 days ago 478th kg583 🇺🇸 805 107 24ms 29 Nov 2025 479th JohandeRuiter 🇳🇱 804 83 4ms 21 Jan 2025 479th error256 804 83 4ms 25 Aug 2025 First Prev 401–480 of 1,030 Next Last