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?
Quine 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 762nd pandaninjas 947 32 9ms 1 Apr 2022 762nd EthanGrant1 947 32 10ms 13 Apr 2022 762nd Yareeeema 947 32 10ms 13 Apr 2022 762nd jm600 947 32 9ms 14 Apr 2022 762nd pyrolitic 🇮🇪 947 32 9ms 27 Apr 2022 762nd tkr-sh 🇰🇵 947 32 10ms 28 Apr 2022 762nd Romain-1 🇫🇷 947 32 9ms 28 Apr 2022 762nd GeneralTwi 947 32 9ms 4 May 2022 762nd MichalMarsalek 🇨🇿 947 32 10ms 6 May 2022 762nd Ailko 🇧🇪 947 32 10ms 6 May 2022 762nd andre-de-lorde 947 32 9ms 6 May 2022 762nd Jaydosu 947 32 10ms 10 May 2022 762nd ophact 947 32 9ms 11 May 2022 762nd connorslade 947 32 10ms 13 May 2022 762nd pengu1n-master 947 32 9ms 20 May 2022 762nd Mortis66666 947 32 10ms 27 May 2022 762nd AliceFord 947 32 9ms 2 Jun 2022 762nd solmyr2000 947 32 9ms 12 Jun 2022 762nd nullie 947 32 9ms 14 Jun 2022 762nd k3w1k0d3r 947 32 9ms 22 Jun 2022 762nd Educorreia932 947 32 9ms 22 Jun 2022 762nd shinh 947 32 9ms 28 Jun 2022 762nd dylan-dang 947 32 10ms 1 Jul 2022 762nd BREMAUCY 🇫🇷 947 32 10ms 5 Jul 2022 762nd michael-pruglo 🇺🇦 947 32 9ms 6 Jul 2022 762nd shachy 947 32 10ms 15 Jul 2022 762nd jroscoe5 947 32 9ms 21 Jul 2022 762nd abrn 947 32 10ms 30 Jul 2022 762nd InigoK 🇺🇸 947 32 10ms 2 Aug 2022 762nd P-Quentin 🇫🇷 947 32 9ms 3 Aug 2022 762nd 5quiwyrm 947 32 10ms 3 Aug 2022 762nd hamhub7 947 32 9ms 4 Aug 2022 762nd bthalheim 947 32 10ms 5 Aug 2022 762nd jaxmattfair 🇺🇸 947 32 9ms 5 Aug 2022 762nd vhoulbreque 🇫🇷 947 32 10ms 15 Aug 2022 762nd kcinnu 🇱🇹 947 32 11ms 17 Aug 2022 762nd commandz0 🇺🇸 947 32 10ms 18 Aug 2022 762nd Liastrae 947 32 9ms 22 Aug 2022 762nd tcql 🇺🇸 947 32 10ms 22 Aug 2022 762nd Bananapants22 947 32 9ms 4 Sep 2022 762nd trist224 🇫🇷 947 32 9ms 15 Sep 2022 762nd 4hg 🇺🇸 947 32 10ms 17 Sep 2022 762nd LogicalJoe 947 32 9ms 26 Sep 2022 762nd pyuraii 947 32 9ms 27 Sep 2022 762nd MaxElf999 947 32 9ms 27 Sep 2022 762nd fredrik-bakke 🇳🇴 947 32 10ms 29 Sep 2022 762nd suwat513 947 32 9ms 29 Sep 2022 762nd TheBlupper 947 32 10ms 30 Sep 2022 762nd georgehulme 947 32 9ms 6 Oct 2022 762nd ldoodle 947 32 9ms 6 Oct 2022 762nd ValentinCassayre 947 32 9ms 8 Oct 2022 762nd eshilo-draper 947 32 10ms 9 Oct 2022 762nd jakobkordez 🇸🇮 947 32 9ms 13 Oct 2022 762nd PogLop 🇨🇿 947 32 10ms 15 Oct 2022 762nd Nicronmil 947 32 9ms 19 Oct 2022 762nd garrisonhh 947 32 10ms 23 Oct 2022 762nd AodhanDalton 947 32 10ms 24 Oct 2022 762nd bonevbs 947 32 9ms 20 Nov 2022 762nd Manitary 947 32 9ms 28 Nov 2022 762nd DaCuteRaccoon 947 32 10ms 1 Dec 2022 762nd nstearns96 🇬🇧 947 32 10ms 2 Dec 2022 762nd TaserTheFox 🇺🇸 947 32 10ms 5 Dec 2022 762nd Captain-Quack 947 32 9ms 14 Dec 2022 762nd CatsAreFluffy 947 32 10ms 16 Dec 2022 762nd hectordubuis 947 32 9ms 16 Dec 2022 762nd mousetail 🇳🇱 947 32 9ms 19 Dec 2022 762nd StefanHabel 🇨🇦 947 32 9ms 19 Dec 2022 762nd daniel-montanari 947 32 10ms 20 Dec 2022 762nd 4ndyJ 🇬🇧 947 32 10ms 21 Dec 2022 762nd luni-moon 🇺🇸 947 32 9ms 23 Dec 2022 762nd nayakrujul 947 32 9ms 24 Dec 2022 762nd firegene 🇮🇪 947 32 9ms 2 Jan 2023 762nd thehylian 947 32 10ms 4 Jan 2023 762nd thatbirdguythatuknownot 947 32 10ms 4 Jan 2023 762nd MCausc78 🇺🇦 947 32 10ms 5 Jan 2023 762nd wimglenn 947 32 9ms 6 Jan 2023 762nd zakariamouhid 947 32 10ms 10 Jan 2023 762nd Betuaredead 947 32 9ms 14 Jan 2023 762nd eiburns 947 32 10ms 21 Jan 2023 762nd Leftykap 947 32 10ms 23 Jan 2023 First Prev 1,041–1,120 of 5,817 Next Last