The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 days. Why not try and solve them ahead of time?
Pascal’s Triangle in Python 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 474th TheCod-r 🇦🇶 587 92 9ms 18 Feb 2023 474th Eugen-str 587 92 9ms 19 Nov 2023 474th tknight00 587 92 9ms 23 Apr 2024 474th HanaEndUser 587 92 10ms 23 Apr 2024 474th jace-d8 587 92 9ms 1 Jul 2024 474th llPlayll 587 92 10ms 5 Dec 2025 487th ay2718 581 93 10ms 20 Aug 2019 487th ludwig-n 581 93 9ms 4 Apr 2020 487th NConstantinides 581 93 10ms 4 Apr 2021 487th steffan-polygolf 581 93 9ms 19 Feb 2023 487th lomarbrick 581 93 10ms 17 May 2023 487th lhulinsky 581 93 11ms 21 Oct 2024 493rd cthierfelder 🇲🇨 574 94 10ms 1 Aug 2025 494th adoxography 568 95 10ms 6 Dec 2018 494th RyanCarrusca 568 95 10ms 21 Feb 2019 494th achow0 568 95 10ms 3 Aug 2020 494th janga1 568 95 9ms 26 Aug 2021 494th HallMatthew314 568 95 9ms 17 Feb 2022 494th Y0UR-U5ERNAME 568 95 10ms 4 Jul 2022 494th NerdyMcNerd42 568 95 10ms 13 Aug 2022 494th Bananapants22 568 95 9ms 17 Sep 2022 494th kejcao 🇨🇦 568 95 9ms 20 May 2024 494th codingisgreatbutiamnot 568 95 10ms 14 Aug 2024 494th kistlerf 🇨🇭 568 95 10ms 19 May 2025 505th tpaxman 🇨🇦 563 96 11ms 10 Dec 2020 505th ethandhunt 563 96 9ms 20 Jul 2021 505th vodker1 563 96 10ms 9 Mar 2022 505th vishwathg 563 96 10ms 3 Oct 2022 505th mjthurst 563 96 9ms 25 Feb 2024 505th NickTheEASDude 🇺🇸 563 96 9ms 30 Apr 2024 505th clayboll99 563 96 10ms 14 Jul 2025 512th Maxine28Ve 557 97 10ms 30 Mar 2019 512th boxjelly 557 97 10ms 8 Feb 2021 512th tenthmascot 557 97 10ms 25 Nov 2021 512th dzshn 557 97 10ms 2 Jan 2023 512th joseph-w0ng 557 97 9ms 5 Jul 2024 512th AtengChen 557 97 10ms 18 Aug 2024 512th WillowWispy 557 97 10ms 15 Mar 2025 512th 40fied4t 557 97 9ms 18 May 2025 520th timchu 551 98 11ms 4 Mar 2021 520th 201170 551 98 10ms 11 May 2021 520th glesnick 551 98 9ms 15 Jul 2022 520th fizhes 551 98 9ms 18 Jun 2023 520th arjunarya1 551 98 11ms 11 Sep 2025 525th yokasuretsu 545 99 10ms 16 Apr 2018 525th pawelzydziak 545 99 10ms 21 Oct 2018 525th ArchieZBrew 545 99 10ms 10 Oct 2020 525th MichaelMBradley 🇨🇦 545 99 9ms 4 Apr 2022 525th RandGuy 545 99 9ms 4 May 2022 525th rowboat1 545 99 10ms 21 Jun 2022 525th Marthe-CC 545 99 12ms 10 Oct 2022 532nd rajlath 540 100 10ms 9 Apr 2018 532nd alangodfrey 540 100 10ms 24 Jan 2019 532nd sambirnbaum1 540 100 9ms 6 Sep 2019 532nd tomh1012 540 100 16ms 3 Nov 2020 532nd Retkoj 540 100 10ms 29 Nov 2020 532nd TimLeffke 540 100 9ms 16 Aug 2022 532nd shibacho 🇯🇵 540 100 9ms 9 Sep 2022 539th biinari 535 101 16ms 24 Mar 2018 539th halworsen 🇳🇴 535 101 10ms 11 Sep 2021 539th pmooreh 535 101 10ms 19 Aug 2022 542nd andre-lameirinhas 🇵🇹 529 102 16ms 12 Dec 2019 542nd findegil 529 102 9ms 26 Aug 2020 542nd Ripick 529 102 10ms 29 Jul 2022 542nd ridingqwerty 🇺🇸 529 102 9ms 28 Nov 2023 542nd chartung17 529 102 79ms 7 Apr 2025 547th ZomBMage 524 103 10ms 18 Nov 2019 547th Malin001 524 103 9ms 4 Jan 2020 547th PYRiTEmonark 524 103 10ms 25 Mar 2021 547th mokymok 🇺🇸 524 103 10ms 19 Jul 2021 547th Yareeeema 524 103 10ms 11 Apr 2022 547th CatsAreFluffy 524 103 10ms 18 Feb 2023 553rd ionutm82 519 104 9ms 23 May 2019 553rd chris-robo 519 104 11ms 8 Apr 2020 553rd guliyevemil1 🇦🇿 519 104 9ms 16 Apr 2020 553rd jhawk101 519 104 9ms 12 Mar 2021 553rd AkashTandon167 519 104 34ms 29 Oct 2021 553rd atazzam 🇺🇸 519 104 10ms 14 Sep 2022 553rd qwjhvbxi 519 104 10ms 13 Feb 2024 553rd nullpointerfoo 519 104 9ms 8 Jun 2024 First Prev 481–560 of 697 Next Last
