The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 29 hours. Why not try and solve them ahead of time?
Fizz Buzz in Swift in chars. 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 Chars Time Submitted 79th mtirado1 827 81 95ms 15 Aug 2022 79th Aurel300 🇨🇭 827 81 84ms 15 Jul 2024 79th jletellier 827 81 83ms 3 Aug 2024 84th sakamura 817 82 89ms 18 Jan 2020 85th woodymelling 807 83 93ms 15 Apr 2020 85th aydenp 🇨🇦 807 83 88ms 14 Apr 2022 87th commscheck 798 84 86ms 26 Jun 2020 87th robertmsale 798 84 104ms 2 Jan 2022 89th arrrnas 788 85 89ms 18 Jan 2020 89th ramjyroo 788 85 93ms 19 Jan 2020 89th cochrane 788 85 92ms 23 Mar 2024 89th Arkadios200 788 85 90ms 15 hours ago 93rd phcacique 🇧🇷 779 86 89ms 5 Jan 2021 93rd Maetthu24 779 86 95ms 18 Dec 2022 95th ungurmaria 770 87 102ms 6 Oct 2020 96th perfunction 753 89 89ms 29 Jan 2020 97th jordanperry 736 91 97ms 18 Jan 2020 97th christianhatch 736 91 92ms 12 Jun 2020 97th katehuds 736 91 100ms 24 Oct 2020 100th pieromattos 720 93 106ms 18 Jan 2020 100th louisbosqui 720 93 92ms 28 Dec 2020 100th lynn 720 93 104ms 8 Apr 2021 100th KrausRaus 🇺🇸 720 93 101ms 14 Apr 2021 100th seeaya 720 93 92ms 15 Oct 2021 100th inventshah 720 93 93ms 4 Feb 2022 100th aliakseikalosha 720 93 93ms 22 Apr 2022 100th h3ra993huskp 🇯🇵 720 93 94ms 13 Oct 2025 108th hlipnick 705 95 91ms 10 May 2020 108th rholliday 705 95 85ms 24 Feb 2021 108th enbyte 705 95 85ms 26 May 2021 108th RYNO8 705 95 89ms 14 Oct 2021 108th TheCod-r 🇦🇶 705 95 92ms 3 Jun 2023 108th Schlabbi 705 95 106ms 21 Mar 2024 114th ericyanush 698 96 93ms 18 Jan 2020 114th FrancescoTr 698 96 101ms 18 Jan 2020 114th AaronKreipe 698 96 85ms 8 Mar 2020 114th pandapawskat 698 96 95ms 30 Aug 2021 114th aksyristos 698 96 87ms 3 Oct 2022 114th Betuaredead 698 96 87ms 6 Jan 2023 120th c0d3-4-F00d 🇩🇪 691 97 82ms 19 May 2021 121st ArturLukianov 684 98 87ms 17 Dec 2020 122nd copoer 670 100 89ms 28 Feb 2023 123rd twocatsinatrenchcoat 663 101 94ms 25 Apr 2022 124th PotatoSaladOverlord 657 102 91ms 18 Jan 2024 124th hrubymar10 657 102 99ms 13 Feb 2024 126th audente 650 103 91ms 19 Jan 2020 126th msbranicky 650 103 95ms 13 Sep 2023 128th spadafiva 644 104 90ms 19 Jan 2020 128th jtthrillson 644 104 90ms 18 Dec 2021 130th DavidSkrundz 632 106 88ms 24 Jan 2020 131st johnny-fantastic 626 107 95ms 18 Jan 2020 132nd jirizoudun 609 110 96ms 22 Nov 2020 133rd vaughad 598 112 93ms 29 Jan 2020 133rd petrusck 598 112 88ms 4 Jul 2021 135th neomanic 🇦🇺 593 113 100ms 3 Dec 2021 136th RedzGoose 🇦🇺 578 116 99ms 11 Jun 2024 137th AlephSquirrel 563 119 87ms 18 May 2021 137th Fmbalbuena 563 119 83ms 23 Sep 2021 137th bwat2 563 119 89ms 6 Apr 2022 137th GWStuart 563 119 83ms 27 Jan 2023 141st vonKrafft 549 122 86ms 20 Oct 2020 141st namelessiw 549 122 90ms 27 Jul 2023 143rd chartung17 540 124 89ms 1 Jan 2024 144th paramsiddharth 536 125 86ms 18 Apr 2020 144th sam-sole 536 125 86ms 25 Mar 2022 144th nicholas-vella 536 125 96ms 17 Apr 2024 144th sjavora 536 125 90ms 30 Aug 2024 148th theunofficialcoder 532 126 90ms 6 Aug 2021 149th loganmacdougall 🇨🇦 523 128 98ms 12 Nov 2021 150th ezfe 519 129 82ms 19 Nov 2020 150th RoscoeDaWah 🇬🇧 519 129 83ms 22 Mar 2023 152nd snalty 486 138 95ms 7 May 2020 152nd mdznr 486 138 85ms 20 Dec 2021 154th kitlangton 475 141 78ms 18 Jan 2020 154th j-Ewan 475 141 86ms 25 Feb 2022 156th SniperSmiley 🇺🇸 472 142 91ms 5 Aug 2022 157th marshallku 🇰🇷 462 145 92ms 12 Sep 2020 158th rucin93 🇵🇱 459 146 97ms 21 Jan 2022 159th natecook1000 444 151 98ms 19 Jan 2020 160th Tsuk1w 🇫🇷 424 158 88ms 9 Nov 2022 First Prev 81–160 of 177 Next Last
