The Continued Fractions hole will go live in approximately 2 hours. Why not try and solve it ahead of time?
brainfuck 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 561st jwhear 🇺🇸 674 385 1,831ms 30 Sep 2024 562nd leon-w 672 193 15ms 5 Jan 2020 562nd pfgithub 672 193 21ms 27 Oct 2020 562nd gussy420 672 193 14ms 29 Oct 2023 562nd dokutan 672 193 12ms 3 Aug 2024 566th jbyuki 672 238 3ms 28 Aug 2020 567th revlayle 🇺🇸 672 244 449ms 21 Nov 2021 568th mcreenan 671 116 5ms 6 Feb 2018 568th iczelia 🇩🇪 671 116 5ms 22 Sep 2025 570th FoxInTheClouds 671 241 21ms 10 days ago 571st snoozingnewt 🇨🇦 671 368 112ms 35 mins ago 572nd syntax-rules 670 253 64ms 4 May 2023 573rd 2bular 669 125 38ms 9 Nov 2025 574th tatzyr 🇯🇵 669 130 39ms 12 Feb 2025 575th Shanethegamer 🇺🇸 669 217 126ms 24 May 2025 576th Aurel300 🇨🇭 667 354 167ms 6 Jun 2024 577th IISResetMe 665 156 1,622ms 14 Jan 2026 578th bluebear94 665 195 11ms 4 Feb 2018 578th wansacis 🇩🇪 665 195 16ms 23 Jul 2021 578th smclaughlin-cf 665 195 14ms 11 Jun 2025 581st btjones0 665 243 28ms 8 Jan 2021 581st guilhem-roy 🇫🇷 665 243 332ms 27 Jul 2023 583rd MichalMarsalek 🇨🇿 665 244 394ms 28 Nov 2021 584th plcc0 664 131 40ms 10 Oct 2025 584th Lv0Sys 🇵🇱 664 131 36ms 30 Nov 2025 584th darrenks 🇺🇸 664 131 45ms 3 days ago 587th fgrosshans 🇫🇷 663 244 23ms 18 Jul 2022 588th nking07049925 662 196 15ms 2 Jun 2024 588th unfinishedprogram 662 196 14ms 20 Sep 2024 588th alexsave 662 196 15ms 5 Nov 2025 591st The3gs 662 357 152ms 28 Nov 2024 592nd JDiLenarda 🇫🇷 662 377 1,457ms 28 Oct 2020 593rd KasperKivimaeki 🇫🇮 661 248 455ms 10 Apr 2025 594th za3k 660 245 22ms 12 Oct 2022 594th willdaspit 660 245 22ms 5 Aug 2023 596th perlebach 🇨🇿 660 277 2,691ms 7 Jun 2025 597th timvermeulen 660 358 172ms 4 Jan 2020 598th Andriamanitra 🇫🇮 659 132 39ms 9 Oct 2023 599th ForkKILLET 🇨🇳 659 197 1,021ms 29 Jul 2021 599th TheRealOhead 🇺🇸 659 197 19ms 4 Apr 2023 601st duckyluuk 🇳🇱 659 235 104ms 13 Nov 2025 602nd voytasify 🇵🇱 659 249 406ms 21 Nov 2021 603rd MeWhenI 🇻🇦 658 219 26ms 28 Jul 2023 603rd typeswitch-dev 🇵🇹 658 219 5ms 2 Aug 2023 605th MeWhenI 🇻🇦 657 221 163ms 5 Sep 2023 606th MeWhenI 🇻🇦 657 235 40ms 26 Aug 2023 607th CedricGebistorf 657 246 20ms 5 Mar 2022 607th dirckvdende 657 246 22ms 12 Jul 2025 609th rucin93 🇵🇱 657 309 190ms 10 Jul 2025 610th Slonser 656 203 456ms 26 Jan 2026 611th Eolu 656 360 161ms 8 Apr 2021 611th luuumine 🇫🇷 656 360 179ms 9 Dec 2025 613th lowlighter 655 198 13ms 1 Nov 2020 614th BlankSpruce 655 247 15ms 9 Sep 2022 615th olivermrose 🇺🇸 654 133 43ms 10 Oct 2021 615th olleicua 🇺🇸 654 133 39ms 20 Jan 2024 617th SirBogman 🇺🇸 653 128 36ms 26 Apr 2022 618th b97tsk 653 302 343ms 23 Apr 2020 619th eranws 652 199 14ms 17 Oct 2022 620th dokutan 652 231 6ms 5 Sep 2024 621st Mandrzejy 🇵🇱 650 205 452ms 17 Mar 2025 622nd KatieLG 🇬🇧 649 134 41ms 26 Dec 2023 623rd msrawson 649 249 21ms 4 Sep 2018 624th MeWhenI 🇻🇦 648 295 40ms 17 May 2023 625th asheeri 647 250 31ms 15 Aug 2021 625th kmaork 🇮🇱 647 250 176ms 17 Aug 2023 625th alfonsoalves 647 250 21ms 21 Jul 2024 625th fredrik-bakke 🇳🇴 647 250 26ms 17 Mar 2025 629th 386asm 🇺🇸 646 239 48ms 4 May 2023 630th ovs-code 🇩🇪 644 162 2ms 19 Mar 2024 630th MostParsingVex 644 162 3ms 2 Jan 2025 632nd ZoeyKD 644 251 256ms 14 May 2023 632nd janbehrens 🇩🇪 644 251 17ms 24 Nov 2024 634th MeWhenI 🇻🇦 644 256 34ms 13 Dec 2023 635th Xzyaihni 644 367 198ms 15 Jan 2024 636th amishtal 642 252 24ms 1 Dec 2019 636th domingues 🇵🇹 642 252 424ms 9 Aug 2022 638th jared-hughes 640 208 439ms 2 Nov 2022 639th sean-niemann 🇺🇸 640 278 452ms 24 Sep 2025 640th edsrzf 🇳🇿 640 308 289ms 25 Oct 2024 First Prev 561–640 of 1,441 Next Last