Collatz in C in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 brainfuck 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) 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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) 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Chars Time 1st Lydxn 🇨🇦 C 1,000 64 21 Dec 2023 2nd rhdqor213 C 955 67 24 Sep 2023 3rd nai62 C 941 68 27 Aug 2022 4th GrayJoKing 🇦🇺 C 914 70 6 May 2022 4th ovs-code 🇩🇪 C 914 70 8 Oct 2023 4th catfish000 C 914 70 8 Oct 2023 4th saito-ta 🇯🇵 C 914 70 21 Dec 2023 8th GolfingSuccess 🇬🇷 C 901 71 5 May 2022 8th emplv 🇱🇻 C 901 71 5 May 2022 8th JayXon 🇺🇸 C 901 71 7 May 2022 8th m-tkach 🇺🇦 C 901 71 15 May 2022 8th nwellnhof 🇩🇪 C 901 71 5 Jun 2022 8th Irratix 🇳🇱 C 901 71 13 Jun 2022 8th michael-pruglo 🇺🇦 C 901 71 13 Jul 2022 8th stefangimmillaro C 901 71 2 Jun 2023 8th kkoenig C 901 71 21 Dec 2023 17th jared-hughes C 889 72 6 Jul 2022 17th sean-niemann 🇺🇸 C 889 72 31 Aug 2022 17th Steffan153 🇫🇮 C 889 72 3 Jan 2023 17th MeWhenI 🇻🇦 C 889 72 7 May 2023 17th ListeriaM C 889 72 22 Aug 2023 17th JohandeRuiter 🇳🇱 C 889 72 2 Oct 2023 23rd NewDefectus 🇮🇱 C 877 73 6 May 2022 23rd inventshah C 877 73 12 Jun 2022 23rd Natanaelel 🇸🇪 C 877 73 15 Jun 2022 23rd 78790709 C 877 73 19 Oct 2022 23rd Herbert00709 🇵🇱 C 877 73 22 Dec 2023 28th Alex-x90 🇺🇸 C 865 74 4 Dec 2022 28th undersquire C 865 74 24 Jun 2023 28th rdmsr C 865 74 24 Jun 2023 28th Bmrl7 C 865 74 9 Jul 2023 28th Vinterion C 865 74 6 Nov 2023 28th namelessiw C 865 74 28 Dec 2023 28th KasperKivimaeki 🇫🇮 C 865 74 20 Jan 2024 28th Jonatan6 🇩🇰 C 865 74 12 days ago 36th AlephSquirrel C 853 75 12 Jan 2023 36th Yewzir 🇧🇪 C 853 75 22 Apr 2023 36th Shanethegamer 🇺🇸 C 853 75 15 May 2023 36th imma-Spring C 853 75 15 Nov 2023 36th Mandrzejy 🇵🇱 C 853 75 6 days ago 41st ZakkkkAttackkkk 🇵🇭 C 842 76 23 Jul 2022 41st janbehrens 🇩🇪 C 842 76 21 Apr 2023 43rd madex 🇩🇪 C 831 77 12 Nov 2022 43rd aksyristos C 831 77 12 Dec 2022 43rd elgan65536 C 831 77 4 Nov 2023 43rd dokutan C 831 77 11 days ago 47th shellbertt 🇨🇦 C 821 78 4 May 2022 47th Heathcorp 🇦🇺 C 821 78 7 May 2022 47th Attero 🇸🇪 C 821 78 3 Aug 2022 47th ibexq C 821 78 29 Sep 2022 47th Re-Adventures 🇮🇳 C 821 78 7 Nov 2022 47th Betuaredead C 821 78 5 Jan 2023 47th User2654 C 821 78 8 Feb 2023 47th KenanHanke C 821 78 20 Feb 2023 47th mnbvczx 🇰🇷 C 821 78 12 Mar 2023 47th annaproxy C 821 78 4 Jun 2023 47th snoozingnewt 🇺🇸 C 821 78 23 Sep 2023 47th weliveinhell C 821 78 2 Oct 2023 47th DialFrost 🇸🇬 C 821 78 1 Nov 2023 47th ehulinsky 🇺🇸 C 821 78 16 Feb 2024 1–60 of 177 Next