The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Continued Fractions 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 321st albanian-laundromat 672 209 397ms 22 days ago 322nd JOrE20 670 131 12ms 7 Jan 2026 323rd emgordon154 665 79 2ms 26 days ago 324th arcpolaris 663 179 453ms 4 days ago 325th tomh1012 659 180 532ms 25 days ago 326th zgialor-lab 658 177 11ms 18 days ago 327th quesswho 🇸🇪 656 155 2ms 9 days ago 328th prestosilver 🇺🇸 656 214 371ms 9 days ago 329th Natanaelel 🇸🇪 653 109 34ms 16 days ago 330th CaedenHarper 🇨🇦 652 182 412ms 27 Feb 2026 331st kasarino 647 207 42ms 4 days ago 332nd JDiLenarda 🇫🇷 638 198 1,328ms 23 days ago 333rd Protothor 632 139 12ms 27 Feb 2026 334th Shanethegamer 🇺🇸 629 129 310ms 9 Dec 2025 335th SirBogman 🇺🇸 625 84 3ms 5 hours ago 336th aksyristos 613 190 17ms 26 days ago 337th bitsandbeyond 🇳🇱 604 171 2ms 19 Nov 2025 338th bitsandbeyond 🇳🇱 597 155 5ms 4 Dec 2025 339th Yewzir 🇧🇪 594 196 10ms 19 Nov 2025 340th AstroOrbis 552 211 10ms 27 days ago 341st Ripick 546 257 380ms 13 days ago 342nd acollett89 545 161 9ms 4 days ago 343rd Matter1024 🇮🇳 537 221 457ms 26 Feb 2026 343rd michelebastione 🇮🇹 537 221 460ms 9 days ago 345th tomh1012 535 164 12ms 15 days ago 346th matejmatik123 🇸🇰 525 233 1,367ms 27 days ago 347th JOrE20 521 127 35ms 27 Feb 2026 348th denkyuu1 521 156 238ms 11 days ago 349th bitsandbeyond 🇳🇱 498 269 42ms 20 Nov 2025 350th Yewzir 🇧🇪 491 196 532ms 19 Nov 2025 351st Shanethegamer 🇺🇸 488 208 13ms 9 Dec 2025 352nd KatieLG 🇬🇧 470 270 5ms 27 Feb 2026 353rd matejmatik123 🇸🇰 468 217 2ms 27 days ago 354th albanian-laundromat 455 250 28ms 28 Feb 2026 355th bitsandbeyond 🇳🇱 449 163 3ms 19 Nov 2025 356th madeforlosers 426 206 10ms 10 days ago 357th TJK-S 426 273 11ms 24 days ago 358th bitsandbeyond 🇳🇱 356 411 280ms 19 Nov 2025 359th fantaize 196 795 201ms 17 days ago 360th CaedenHarper 🇨🇦 53 791 16ms 22 days ago 361st kg583 🇺🇸 0 18 245ms 27 Feb 2026 362nd 2bular 0 29 42ms 26 Feb 2026 362nd darrenks 🇺🇸 0 29 42ms 22 days ago 362nd Natanaelel 🇸🇪 0 29 43ms 21 days ago 365th plcc0 0 32 43ms 27 Feb 2026 366th GolfingSuccess 🇬🇷 0 47 105ms 21 Nov 2025 367th namelessiw 0 54 146ms 19 Nov 2025 368th ovs-code 🇩🇪 0 99 5ms 27 days ago 369th GolfingSuccess 🇬🇷 0 120 62ms 19 Nov 2025 369th GolfingSuccess 🇬🇷 0 120 3ms 7 days ago 371st GolfingSuccess 🇬🇷 0 125 8ms 21 Nov 2025 372nd KatieLG 🇬🇧 0 126 5ms 27 days ago 373rd ovs-code 🇩🇪 0 127 14ms 28 Feb 2026 374th dokutan 0 133 55ms 13 days ago 375th Matter1024 🇮🇳 0 140 69ms 18 days ago 376th GolfingSuccess 🇬🇷 0 147 6ms 25 Dec 2025 377th dokutan 0 152 4ms 23 days ago 378th dokutan 0 175 9ms 21 days ago First Prev 321–378 of 378
