Evil Numbers in Ruby 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 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 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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 Erlang 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 73rd RuyiLi 684 38 34ms 7 Apr 2023 73rd tatzyr 🇯🇵 684 38 35ms 8 Jan 2025 73rd ejini6969 684 38 36ms 13 Jun 2025 79th n1LS 667 39 38ms 2 Oct 2019 79th ajc2 667 39 38ms 18 Oct 2019 79th AlephSquirrel 667 39 35ms 7 Mar 2023 79th vluyzvg 667 39 32ms 30 Mar 2023 79th LostSyntax21 🇬🇧 667 39 35ms 23 Aug 2024 79th Lv0Sys 🇵🇱 667 39 35ms 26 May 2025 79th snoozingnewt 🇺🇸 667 39 36ms 14 Sep 2025 86th aydamak 650 40 37ms 15 May 2024 87th robymus 634 41 34ms 17 Sep 2018 88th biinari 619 42 36ms 27 Mar 2018 88th adoxography 619 42 39ms 22 Jul 2018 88th jstanley0 619 42 49ms 12 Dec 2020 88th rucin93 🇵🇱 619 42 34ms 14 May 2025 88th Babafaba 619 42 32ms 15 Oct 2025 93rd ConorOBrien-Foxx 605 43 47ms 10 Apr 2018 93rd nlc 605 43 48ms 11 Apr 2018 93rd reireias 605 43 35ms 30 Jul 2019 93rd handisb 605 43 49ms 14 Sep 2019 93rd mogron 605 43 40ms 13 Dec 2019 93rd dwayneparton 605 43 43ms 8 May 2020 93rd Michaelncallahan 605 43 44ms 8 May 2020 93rd aksyristos 605 43 37ms 31 Jan 2023 101st snltd 591 44 35ms 14 Aug 2019 101st sapphyrus 591 44 35ms 18 Feb 2020 101st meenie 591 44 37ms 1 Jan 2021 101st Pluviolithic 591 44 45ms 17 Oct 2023 105th tom-lord 578 45 31ms 8 Nov 2017 105th clupasq 578 45 35ms 3 Feb 2018 105th biji1 578 45 36ms 26 Apr 2018 105th atsushiootani 578 45 34ms 7 Aug 2018 105th 0xddom 578 45 35ms 18 Dec 2019 105th tadd 578 45 34ms 16 Apr 2020 105th Secozzi 578 45 34ms 21 Oct 2020 105th Luj8n 578 45 35ms 12 Nov 2021 105th badboj40 578 45 42ms 14 Feb 2023 114th rlue 565 46 35ms 8 Nov 2017 114th basuneko 565 46 39ms 8 Nov 2017 114th JeremyC-za 565 46 35ms 10 Nov 2017 114th Yytsi 565 46 35ms 14 Mar 2019 114th TFeld00 🇩🇰 565 46 34ms 6 Jun 2019 114th th0rex 565 46 31ms 10 Jun 2019 114th Mir0ff944 565 46 37ms 23 Oct 2019 114th fynnkroeger 565 46 34ms 17 Oct 2022 122nd kobaltz 553 47 34ms 8 Nov 2017 122nd stevehodges 553 47 34ms 8 Nov 2017 122nd iamsolarpowered 553 47 48ms 15 Dec 2017 122nd babcockd 553 47 44ms 19 Dec 2017 122nd Mikaeel66 553 47 47ms 10 Nov 2019 122nd branch14 553 47 36ms 3 Aug 2020 122nd maths22 🇺🇸 553 47 39ms 9 Dec 2020 122nd HallMatthew314 553 47 40ms 10 Dec 2021 122nd Edjyzod 553 47 36ms 3 Oct 2022 131st jacobsmith 542 48 43ms 15 Feb 2018 131st yokasuretsu 542 48 32ms 18 Apr 2018 131st Marcel-Brouette 542 48 35ms 26 Aug 2018 131st jamespeilunli 542 48 38ms 1 May 2022 135th alexkurowski 531 49 36ms 8 Nov 2017 135th Boostik 531 49 36ms 7 Jan 2018 135th chris-arsenault 531 49 35ms 2 Feb 2018 135th caerbannogwhite 531 49 34ms 13 Apr 2018 135th jetpks 531 49 46ms 27 Jun 2019 135th boxjelly 531 49 36ms 12 Feb 2021 135th RustemB 🇷🇺 531 49 35ms 4 May 2021 135th schachmattmatt 531 49 35ms 11 Aug 2021 135th Thinkr1 531 49 33ms 2 days ago 144th sstadick 520 50 35ms 24 Jan 2018 144th sacthedev 520 50 36ms 3 Apr 2018 144th tsundokul 520 50 32ms 6 Nov 2018 144th atayarani 520 50 36ms 17 Jan 2019 144th Noxilex 520 50 35ms 20 Mar 2019 144th op-ecoprintq 520 50 36ms 31 Jul 2020 144th eggplants 🇯🇵 520 50 42ms 26 Nov 2020 First Prev 76–150 of 183 Next Last