Tutorial in C 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 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 Chars Time Submitted 78th M4rc0g1 0 92 2ms 17 Nov 2025 82nd elgan65536 🇺🇸 0 95 2ms 9 Feb 2026 83rd 6512345 0 96 2ms 4 Nov 2025 84th Babafaba 0 98 2ms 15 Oct 2025 85th ndren 0 99 2ms 5 Sep 2025 86th Herbert00709 🇵🇱 0 101 2ms 27 Nov 2024 86th heanyang1 0 101 2ms 1 Jun 2025 88th kasarino 0 104 2ms 23 days ago 89th CornerMercury 🇬🇧 0 105 2ms 24 Sep 2025 90th duckyluuk 🇳🇱 0 106 2ms 12 Jan 2025 91st zgialor-lab 0 107 2ms 17 Dec 2025 92nd qpwoeirut 0 108 2ms 7 Feb 2025 93rd ToE42 0 114 2ms 31 Oct 2025 94th Jacob385 0 119 2ms 25 Feb 2025 95th psethwick 0 120 2ms 31 Jan 2025 95th DeltaRedBlue 0 120 2ms 26 Jul 2025 97th ilovapples 0 122 2ms 9 Jun 2025 97th irmilla2006 0 122 2ms 17 Oct 2025 99th Sciman101 0 129 2ms 17 Jan 2026 100th matejmatik123 🇸🇰 0 130 2ms 15 Aug 2025 101st DABANANAMAN120 0 131 2ms 26 Jun 2025 101st estrawitch 0 131 2ms 13 Mar 2026 103rd jusaka 0 139 3ms 11 hours ago 104th msbranicky 0 140 2ms 11 Nov 2025 105th xyangst 0 142 2ms 14 Feb 2025 106th JunkIce 0 143 2ms 24 Nov 2024 107th Vexxter9 🇳🇱 0 146 2ms 21 Aug 2025 108th HacksAndSlash 0 151 2ms 23 Feb 2026 109th heisenbirb 0 168 2ms 6 Jun 2025 110th Stockoh 🇫🇷 0 172 2ms 10 Apr 2025 111th westerntoad 0 179 2ms 26 Dec 2025 112th VeryHolyCheeeese 🇫🇮 0 181 2ms 24 Jun 2025 113th adamnielson42 🇺🇸 0 200 2ms 3 Dec 2024 114th Junebug2763 0 209 3ms 8 days ago 115th bigjaaj 0 216 2ms 18 Feb 2025 116th Quirkly-Quasar1 🇺🇸 0 276 2ms 3 Dec 2024 116th gigaprofisi 🇺🇸 0 276 2ms 3 Mar 2025 116th KAKISKA-code 🇫🇮 0 276 2ms 24 May 2025 116th Mabeloid 🇳🇴 0 276 2ms 12 Jun 2025 116th weliveinhell 🇭🇹 0 276 2ms 23 Jun 2025 116th abloomis 0 276 2ms 5 Jul 2025 116th Apataras 0 276 2ms 14 Aug 2025 116th Openstreetmapler 0 276 2ms 30 Oct 2025 116th tmyt 0 276 2ms 7 Jan 2026 116th Mefred 0 276 2ms 15 Jan 2026 116th FortuiteMan 🇫🇷 0 276 2ms 3 Feb 2026 116th janAkali 🇷🇺 0 276 2ms 14 Feb 2026 First Prev 81–127 of 127
