Intersection in Ruby 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 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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 sisyphus-ppcg 🇦🇺 1,000 69 46ms 12 Oct 2023 1st Steffan153 🇫🇮 1,000 69 37ms 10 days ago 3rd nwellnhof 🇩🇪 986 70 65ms 9 Jan 2022 3rd Lydxn 🇨🇦 986 70 61ms 28 Feb 2022 3rd JayXon 🇺🇸 986 70 46ms 17 Jul 2023 3rd ovs-code 🇩🇪 986 70 53ms 11 Jul 2024 3rd pardouin 🇫🇷 986 70 39ms 26 Jul 2025 8th GrayJoKing 🇦🇺 972 71 61ms 5 Aug 2023 9th emgordon154 742 93 35ms 14 days ago 10th MeWhenI 🇻🇦 734 94 39ms 27 Jun 2022 10th SirBogman 🇺🇸 734 94 47ms 23 Aug 2022 12th primo-ppcg 🇹🇭 704 98 61ms 14 Oct 2020 13th stefangimmillaro 683 101 61ms 26 Dec 2024 14th Shanethegamer 🇺🇸 670 103 60ms 24 Mar 2023 14th blaztoma 🇱🇹 670 103 39ms 15 Oct 2025 16th D-MOVE 🇵🇭 663 104 101ms 4 Feb 2026 17th Waffle3z 657 105 47ms 12 Oct 2020 17th anter69 🇭🇺 657 105 59ms 19 Mar 2024 19th jared-hughes 651 106 63ms 9 Sep 2022 19th lacrosse 651 106 40ms 27 Nov 2025 21st Natanaelel 🇸🇪 633 109 41ms 27 May 2021 21st orthoplex 🇨🇽 633 109 58ms 30 Mar 2022 21st KatieLG 🇬🇧 633 109 37ms 10 Apr 2022 21st OhmNomNom 633 109 86ms 1 Nov 2022 21st DialFrost 🇸🇬 633 109 49ms 2 Dec 2022 21st aaronze 🇦🇺 633 109 57ms 17 Sep 2023 27th hiddicop 🇸🇪 627 110 47ms 28 Jan 2021 27th annaproxy 627 110 45ms 4 Jan 2022 29th csharpython 622 111 39ms 16 Oct 2025 30th Andriamanitra 🇫🇮 616 112 52ms 20 Jul 2022 30th snoozingnewt 🇨🇦 616 112 38ms 12 Oct 2025 32nd adoxography 605 114 58ms 23 Jan 2021 33rd olleicua 🇺🇸 600 115 38ms 13 Jan 2024 34th tatzyr 🇯🇵 595 116 50ms 18 Dec 2024 35th schachmattmatt 585 118 64ms 11 Aug 2021 36th boxjelly 552 125 62ms 9 Feb 2021 36th akshatj27 🇦🇶 552 125 54ms 30 Dec 2021 38th KrausRaus 🇺🇸 543 127 59ms 30 Dec 2021 38th Haksell 🇦🇶 543 127 405ms 22 Feb 2023 40th idoschor 539 128 56ms 1 Dec 2020 41st aksyristos 531 130 39ms 8 Sep 2024 42nd TheZwierzLF 🇵🇱 451 153 42ms 25 Dec 2025 43rd KatieLG-Transpiler 🇬🇧 232 297 60ms 3 Jul 2022 1–43 of 43
