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 553rd sciencedjinn 519 104 10ms 8 Nov 2024 562nd moshiba 514 105 10ms 18 Apr 2018 562nd nctsiridis 514 105 9ms 4 Apr 2021 562nd Ted-Barrett 🇦🇺 514 105 11ms 30 Sep 2021 562nd KenanHanke 514 105 80ms 19 Feb 2023 562nd robin-scragg 514 105 10ms 5 Jul 2025 567th siegelzero 509 106 94ms 24 Jan 2020 567th davidludwik2370 509 106 10ms 27 Jul 2025 569th MH2520 505 107 10ms 10 Sep 2018 569th Pena86 505 107 10ms 19 Feb 2021 569th Gosefu 505 107 10ms 10 Apr 2022 572nd adesanjo 495 109 10ms 8 Jun 2019 572nd ianpoe 495 109 9ms 29 Mar 2020 572nd harrymwilkins 🇬🇧 495 109 9ms 19 Jul 2021 575th The3gs 491 110 10ms 13 Oct 2020 575th twocatsinatrenchcoat 491 110 9ms 16 May 2022 575th ms-tingliang 491 110 10ms 5 Aug 2022 575th AZ9tumas 491 110 10ms 11 Oct 2022 575th kaptsanovb 491 110 9ms 20 Apr 2023 580th bobbysq 486 111 10ms 19 Jun 2023 581st wilkij1 482 112 10ms 16 Jun 2018 581st CRHillman 482 112 10ms 10 Aug 2018 581st SimonPeatman 482 112 10ms 29 Dec 2018 581st mathwiz42 482 112 10ms 17 Aug 2020 585th leon-w 478 113 11ms 4 Jan 2019 585th befoster 478 113 10ms 10 Apr 2021 585th RedGl0w 478 113 10ms 15 Aug 2023 585th Florian-Mt 478 113 10ms 30 Sep 2023 589th FJSFerreira 474 114 10ms 25 May 2021 589th Great-Gamer 474 114 10ms 24 Feb 2022 589th S-Ruban 474 114 10ms 25 Feb 2023 592nd danwley 470 115 10ms 24 Nov 2018 592nd Tsuk1w 🇫🇷 470 115 10ms 15 Oct 2022 592nd JakeDaCake36 470 115 11ms 19 Feb 2024 592nd GitQuick 470 115 9ms 8 Mar 2024 592nd TheAtrossian 470 115 11ms 5 Jan 2025 597th DarkTemplar5 466 116 10ms 23 Feb 2020 597th xkacer 🇨🇿 466 116 10ms 31 Jan 2021 597th 0dyse 466 116 11ms 14 Oct 2025 600th OpesMentis 462 117 9ms 22 Mar 2018 600th AforAmpere 462 117 10ms 21 Feb 2021 600th dillon-duncando 462 117 15ms 3 Dec 2021 600th mdnestor 462 117 122ms 23 Dec 2022 600th kellantech 462 117 9ms 9 Jul 2023 600th jstechman 462 117 9ms 9 Mar 2024 606th RobDover 450 120 9ms 5 Mar 2018 606th Very-Nerdy-Human 450 120 11ms 13 Jan 2024 608th epistemologist 443 122 9ms 28 Jul 2018 608th KiwiKoder0123 443 122 9ms 27 Jun 2019 608th stordev 443 122 111ms 26 Feb 2021 608th Omega65536 🇩🇪 443 122 63ms 23 Jun 2021 612th dahrens 439 123 16ms 10 Jul 2019 612th NoahBolohan 🇨🇦 439 123 9ms 7 Feb 2023 612th Fanrco 439 123 9ms 31 Aug 2023 612th m42km 439 123 10ms 6 Jan 2024 616th dddthedark 435 124 10ms 8 Mar 2018 616th redbeancola 435 124 10ms 9 Nov 2021 616th sleepyStick 435 124 10ms 2 Dec 2021 619th Foxinatel 432 125 107ms 22 Aug 2021 619th Kasci 432 125 112ms 7 Dec 2021 621st evanrittner 429 126 85ms 11 Mar 2019 621st Oples 429 126 11ms 30 Mar 2019 621st wikwg9 429 126 10ms 29 Oct 2019 624th AgathokakologicalBit 422 128 61ms 25 Jul 2019 625th daniel-verdugo 419 129 165ms 12 Jun 2019 626th LukeRichardson-dev 406 133 16ms 24 May 2022 627th bbakersmith 403 134 9ms 18 Jul 2021 628th djtuBIG-MaliceX 397 136 10ms 1 Feb 2018 628th yoshykai 397 136 10ms 12 Apr 2025 630th benwilliamgraham 394 137 76ms 27 Jan 2019 630th estomagordo 🇳🇱 394 137 9ms 10 Dec 2021 632nd ComputerKWasTaken 🇺🇸 388 139 10ms 31 May 2024 633rd Sticky-Bits 386 140 9ms 26 Apr 2019 633rd brimstonetrader 386 140 71ms 10 Jan 2024 635th Tiger-Cross 383 141 10ms 22 May 2020 635th s-gannon 383 141 11ms 2 Dec 2021 637th kevinnaviapaiva 380 142 10ms 14 Feb 2025 638th Balaji-Jag 378 143 10ms 13 Nov 2019 639th ItsEthanDev 375 144 9ms 31 Aug 2023 640th wrhm 372 145 17ms 14 Dec 2020 First Prev 561–640 of 697 Next Last
