QR Decoder 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 1st JayXon 🇺🇸 1,000 135 25ms 6 May 2023 2nd nwellnhof 🇩🇪 971 139 35ms 24 Jan 2022 3rd btnlq 944 143 12ms 24 Sep 2021 3rd ovs-code 🇩🇪 944 143 9ms 6 Jul 2025 5th Lydxn 🇨🇦 912 148 15ms 22 Sep 2021 6th pardouin 🇫🇷 877 154 19ms 16 May 2024 7th MeWhenI 🇻🇦 865 156 10ms 30 Jul 2024 8th blaztoma 🇱🇹 860 157 16ms 28 Dec 2025 9th Steffan153 🇫🇮 844 160 18ms 31 Jul 2024 9th Lv0Sys 🇵🇱 844 160 11ms 28 Feb 2026 11th ryyyn 🇺🇸 828 163 19ms 9 Dec 2025 12th GolfingSuccess 🇬🇷 823 164 18ms 18 Sep 2021 12th 5cw 🇺🇸 823 164 10ms 8 May 2024 14th sean-niemann 🇺🇸 818 165 17ms 9 Mar 2025 15th AlephSquirrel 813 166 13ms 10 Jun 2023 15th bricknellj 813 166 18ms 3 Apr 2025 17th lynn 808 167 10ms 13 Feb 2023 18th hallvabo 🇳🇴 804 168 29ms 8 Feb 2022 19th Seek64 🇩🇪 794 170 13ms 27 Nov 2025 20th edsrzf 🇳🇿 789 171 27ms 16 Dec 2025 21st SirBogman 🇺🇸 785 172 17ms 31 Jan 2024 22nd Irratix 🇳🇱 780 173 20ms 6 May 2022 23rd prplz 🇦🇺 754 179 10ms 13 Jan 2024 24th jared-hughes 750 180 17ms 9 Apr 2022 24th kg583 🇺🇸 750 180 18ms 28 Feb 2026 26th jusaka 730 185 10ms 30 hours ago 27th plcc0 726 186 17ms 20 Feb 2026 28th inventshah 711 190 17ms 12 Nov 2022 28th stefangimmillaro 711 190 27ms 8 Aug 2023 28th lifthrasiir 🇰🇷 711 190 18ms 16 Nov 2024 31st Flekay 🇩🇪 699 193 10ms 18 days ago 31st flekAI 699 193 10ms 34 hours ago 33rd snoozingnewt 🇨🇦 692 195 19ms 6 days ago 34th duckyluuk 🇳🇱 685 197 21ms 23 Jun 2024 35th nullie 682 198 10ms 14 Jun 2022 35th emgordon154 682 198 10ms 16 Oct 2025 37th orthoplex 🇨🇽 662 204 18ms 13 Oct 2021 38th jakobkordez 🇸🇮 659 205 18ms 30 Oct 2022 39th annaproxy 652 207 11ms 6 May 2022 39th StefanHabel 🇨🇦 652 207 11ms 9 Mar 2026 41st scpchicken 🇵🇼 643 210 19ms 5 days ago 42nd OllieBoyne 🇬🇧 640 211 10ms 19 Aug 2022 43rd Artemis21 🇬🇧 637 212 16ms 3 Jan 2025 44th InigoK 🇺🇸 631 214 18ms 22 Sep 2025 45th mathisfun271 628 215 10ms 12 Feb 2024 45th anter69 🇭🇺 628 215 18ms 7 Jul 2025 47th TFeld00 🇩🇰 625 216 17ms 19 May 2022 47th andrewjc2000 625 216 29ms 15 May 2025 47th CornerMercury 🇬🇧 625 216 17ms 1 Dec 2025 50th ndren 616 219 28ms 22 Nov 2023 50th neel11235813 616 219 21ms 1 Apr 2024 52nd DialFrost 🇸🇬 611 221 18ms 18 Jan 2024 52nd BREMAUCY 🇫🇷 611 221 19ms 22 Aug 2025 54th KatieLG 🇬🇧 608 222 11ms 7 Jul 2024 55th guilhem-roy 🇫🇷 595 227 10ms 3 Mar 2022 56th stu303 579 233 11ms 20 Jul 2022 57th davecame 572 236 18ms 19 Mar 2024 58th m42km 567 238 19ms 12 Nov 2023 58th firegene 🇮🇪 567 238 17ms 14 days ago 60th CaedenHarper 🇨🇦 563 240 11ms 10 Aug 2025 61st commandz0 🇺🇸 558 242 10ms 27 Sep 2023 62nd dokutan 556 243 16ms 9 Sep 2025 63rd alemelis 551 245 18ms 27 Aug 2024 63rd AstroOrbis 551 245 20ms 22 Feb 2026 65th FlorianCassayre 🇫🇷 547 247 10ms 21 Oct 2023 65th janbehrens 🇩🇪 547 247 11ms 4 Dec 2024 67th Babafaba 542 249 17ms 29 Oct 2025 68th rucin93 🇵🇱 540 250 18ms 21 Jan 2024 69th aksyristos 538 251 20ms 18 days ago 70th cros107 🇦🇺 529 255 11ms 28 Jan 2024 70th RaBa21 🇭🇺 529 255 20ms 31 Jul 2025 72nd CedricGebistorf 525 257 18ms 3 Mar 2022 73rd te-chnical 519 260 24ms 18 Nov 2025 74th MarcMush 🇫🇷 517 261 17ms 14 Jan 2024 75th RYNO8 515 262 16ms 4 Sep 2023 76th CatsAreFluffy 513 263 18ms 17 Feb 2024 77th wh3n3v3r 🇨🇿 511 264 21ms 14 Nov 2024 78th SB-945 509 265 10ms 14 Mar 2024 79th robin-scragg 508 266 18ms 27 Aug 2025 80th ridingqwerty 🇺🇸 506 267 17ms 14 Feb 2024 1–80 of 118 Next Last
