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Tutorial in all languages 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 298th DialFrost 🇸🇬 0 37 19ms 24 Feb 2025 298th Sakisan 🇧🇪 0 37 14ms 5 Apr 2025 298th dokutan 0 37 15ms 13 Apr 2025 298th DialFrost 🇸🇬 0 37 47ms 17 Apr 2025 298th MeWhenI 🇻🇦 0 37 21ms 17 Apr 2025 298th Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 298th GolfingSuccess 🇬🇷 0 37 28ms 17 Apr 2025 298th Shanethegamer 🇺🇸 0 37 19ms 17 Apr 2025 298th HumanoidCPU 0 37 48ms 18 Apr 2025 298th HumanoidCPU 0 37 15ms 18 Apr 2025 298th HPWiz 🇳🇿 0 37 16ms 18 Apr 2025 298th CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 298th CaedenHarper 🇨🇦 0 37 14ms 19 Apr 2025 298th GolfingSuccess 🇬🇷 0 37 50ms 19 Apr 2025 298th edsrzf 🇳🇿 0 37 14ms 19 Apr 2025 298th zacjl 0 37 6ms 20 Apr 2025 298th frankgraziano 0 37 45ms 19 May 2025 298th lynn 0 37 49ms 15 Jun 2025 298th frankgraziano 0 37 19ms 26 Jul 2025 298th albanian-laundromat 0 37 18ms 4 Aug 2025 298th snoozingnewt 🇺🇸 0 37 48ms 15 Sep 2025 298th snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 298th SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 324th ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 324th sean-niemann 🇺🇸 0 38 47ms 26 Nov 2024 324th emgordon154 0 38 5ms 27 Nov 2024 324th CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 324th btjones0 0 38 3ms 17 Feb 2025 324th Frowny 0 38 47ms 10 Mar 2025 324th Mukundan314 0 38 14ms 25 Apr 2025 331st MeWhenI 🇻🇦 0 39 142ms 29 Jan 2025 331st emgordon154 0 39 4ms 14 Feb 2025 331st DialFrost 🇸🇬 0 39 132ms 17 Apr 2025 331st Shanethegamer 🇺🇸 0 39 3ms 19 May 2025 331st HumanoidCPU 0 39 3ms 19 May 2025 331st plcc0 0 39 4ms 19 May 2025 331st voytxt 🇨🇿 0 39 3ms 19 May 2025 331st GolfingSuccess 🇬🇷 0 39 4ms 19 May 2025 331st DialFrost 🇸🇬 0 39 4ms 21 May 2025 331st MeWhenI 🇻🇦 0 39 3ms 28 May 2025 331st Jigglypuffed 0 39 4ms 12 Jun 2025 331st xvogt 🇱🇮 0 39 3ms 12 Jun 2025 331st AlephSquirrel 0 39 4ms 12 Jun 2025 331st yobatm 0 39 41ms 3 Aug 2025 331st ndren 0 39 3ms 5 Sep 2025 331st snoozingnewt 🇺🇸 0 39 4ms 15 Sep 2025 331st masikoijo 0 39 4ms 19 days ago 348th emgordon154 0 40 6ms 9 Feb 2025 348th DialFrost 🇸🇬 0 40 4ms 9 Feb 2025 348th GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 348th chunes3 🇺🇸 0 40 4ms 13 Feb 2025 348th HumanoidCPU 0 40 8ms 18 Apr 2025 348th DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 348th ovs-code 🇩🇪 0 40 3ms 19 May 2025 348th Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 348th artem-aramma 0 40 4ms 18 Jun 2025 348th alemelis 0 40 19ms 3 Aug 2025 348th frankgraziano 0 40 8ms 13 Aug 2025 348th snoozingnewt 🇺🇸 0 40 7ms 15 Sep 2025 348th JOrE20 🇺🇸 0 40 7ms 8 days ago 361st targrik 0 41 3ms 9 Jul 2025 362nd GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 362nd AlephSquirrel 0 42 4ms 27 Jan 2025 362nd edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 362nd Shanethegamer 🇺🇸 0 42 3ms 17 Apr 2025 362nd DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 362nd edsrzf 🇳🇿 0 42 6ms 17 Apr 2025 362nd HumanoidCPU 0 42 5ms 18 Apr 2025 362nd CaedenHarper 🇨🇦 0 42 4ms 18 Apr 2025 362nd zacjl 0 42 4ms 20 Apr 2025 362nd dokutan 0 42 4ms 28 Apr 2025 362nd TheZwierzLF 🇵🇱 0 42 3ms 2 Jun 2025 362nd snoozingnewt 🇺🇸 0 42 4ms 15 Sep 2025 362nd JOrE20 🇺🇸 0 42 3ms 12 days ago 362nd prestosilver 🇺🇸 0 42 4ms 3 days ago First Prev 301–375 of 2,943 Next Last