The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 25 hours. Why not try and solve them ahead of time?
Fizz Buzz in Rust 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 80th j-Ewan 810 116 126ms 18 Feb 2022 80th Yewzir 🇧🇪 810 116 123ms 21 Oct 2023 80th The3gs 810 116 121ms 29 Nov 2024 80th ian-h-chamberlain 🇺🇸 810 116 119ms 3 Nov 2025 85th HumanoidCPU 803 117 141ms 18 Apr 2024 85th AndreiDTU 803 117 150ms 27 Feb 2026 87th Shanethegamer 🇺🇸 797 118 139ms 9 Mar 2023 87th wuzekai518 797 118 140ms 9 Aug 2024 87th minicircle 797 118 128ms 21 Sep 2024 87th elgan65536 🇺🇸 797 118 123ms 9 Feb 2026 91st archaephyrryx 790 119 117ms 21 Oct 2020 91st twocatsinatrenchcoat 790 119 121ms 25 Apr 2022 91st swarnimarun 790 119 126ms 18 May 2022 91st Yax42 🇫🇷 790 119 126ms 2 Jun 2025 91st jaxmattfair 🇺🇸 790 119 135ms 3 Jun 2025 91st Zounon 790 119 151ms 15 Aug 2025 97th d0x2f 783 120 118ms 4 Jan 2020 97th jiaminglimjm 🇲🇾 783 120 120ms 3 Jan 2021 97th verticallity 783 120 122ms 6 Apr 2022 97th Logicless-Coder 783 120 119ms 19 Mar 2023 97th msbranicky 783 120 118ms 1 Oct 2023 97th georgehulme 783 120 115ms 9 Oct 2023 97th cafkafk 783 120 122ms 18 Nov 2023 104th YoshiTheChinchilla 777 121 125ms 3 Feb 2020 104th ForgottenMaster 777 121 121ms 21 May 2021 104th JGDoerrer 777 121 122ms 11 Jan 2022 104th Alenar 777 121 118ms 12 Aug 2023 104th kkoenig 777 121 121ms 23 Dec 2023 109th wiebecommajonas 770 122 121ms 2 May 2024 110th detrumi 🇳🇱 764 123 142ms 4 Jan 2020 110th Aloso 764 123 147ms 4 Jan 2020 110th SoerenHa 764 123 125ms 15 Oct 2022 110th jafioti 764 123 122ms 2 Dec 2022 110th wrose100 764 123 125ms 4 Dec 2022 110th Betuaredead 764 123 120ms 4 Jan 2023 110th aDwarfNamedUrist 764 123 123ms 12 Jul 2023 110th CarsonChr 🇺🇸 764 123 120ms 24 Dec 2023 110th TannerJ07 🇺🇸 764 123 129ms 4 Apr 2025 119th apricotorange 758 124 144ms 3 Jan 2020 119th Skepfyr 758 124 148ms 4 Jan 2020 119th Uriopass 758 124 169ms 6 Jan 2020 119th chinatsu 758 124 147ms 15 Jan 2020 119th benferreri 758 124 119ms 24 Apr 2020 119th tnecio 758 124 144ms 19 Apr 2021 119th amaebel 🇩🇪 758 124 122ms 9 Dec 2021 119th Ernest1338 758 124 123ms 14 Jan 2022 119th Foxinatel 758 124 144ms 7 Oct 2022 119th JoshuaMcCorkell 758 124 149ms 5 Oct 2023 119th Seeker14491 758 124 129ms 5 Jul 2024 130th ArturLukianov 752 125 127ms 17 Dec 2020 130th 0x00A 752 125 120ms 14 Oct 2022 130th stormeuh 752 125 127ms 2 Feb 2023 130th jared-hughes 752 125 155ms 11 Sep 2023 130th taha-daneshmand 752 125 121ms 2 Oct 2024 130th voytxt 🇨🇿 752 125 129ms 6 Feb 2026 136th xaquseg 746 126 123ms 20 Jun 2020 136th XBagon 746 126 122ms 15 Nov 2021 136th wlciii 🇺🇸 746 126 132ms 20 Nov 2021 136th TGRCdev 746 126 147ms 2 Jan 2022 136th MaxOhn 746 126 128ms 24 Mar 2022 136th NoUselessTech 746 126 125ms 30 Nov 2022 136th kmaork 🇮🇱 746 126 151ms 17 Aug 2023 136th drabart 🇵🇱 746 126 124ms 12 Dec 2023 136th noriah 746 126 158ms 21 Jan 2024 145th crumblingstatue 740 127 121ms 4 Jan 2020 145th aksyristos 740 127 115ms 29 Oct 2022 145th snpalfrey 740 127 119ms 25 Oct 2023 145th Creative0708 🇨🇦 740 127 124ms 17 Feb 2024 145th AdamMorris377 740 127 128ms 7 Sep 2025 150th giacomogallina 729 129 118ms 10 Jun 2020 150th vukonen 729 129 151ms 13 Sep 2020 150th Bubbler-4 729 129 146ms 6 Jul 2021 150th jhpaques 🇫🇷 729 129 119ms 30 Nov 2022 154th connorslade 723 130 145ms 12 May 2022 154th argusdusty 🇺🇸 723 130 154ms 21 Aug 2022 154th Andriamanitra 🇫🇮 723 130 148ms 13 Jul 2023 154th dylanarmstrong 723 130 150ms 15 Dec 2023 158th Xaeroxe 718 131 128ms 4 Jan 2020 158th polyrtm 718 131 154ms 9 Feb 2021 158th RYNO8 718 131 144ms 5 Aug 2021 First Prev 81–160 of 370 Next Last
