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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st sisyphus-ppcg 🇦🇺 1,000 69 44ms 12 Oct 2023 2nd nwellnhof 🇩🇪 986 70 40ms 9 Jan 2022 2nd Lydxn 🇨🇦 986 70 44ms 28 Feb 2022 2nd JayXon 🇺🇸 986 70 40ms 17 Jul 2023 2nd ovs-code 🇩🇪 986 70 38ms 11 Jul 2024 2nd pardouin 🇫🇷 986 70 39ms 26 Jul 2025 7th GrayJoKing 🇦🇺 972 71 43ms 5 Aug 2023 8th Steffan153 🇫🇮 908 76 39ms 5 days ago 9th MeWhenI 🇻🇦 734 94 39ms 27 Jun 2022 9th SirBogman 🇺🇸 734 94 36ms 23 Aug 2022 11th primo-ppcg 🇹🇭 704 98 39ms 14 Oct 2020 12th stefangimmillaro 683 101 57ms 26 Dec 2024 13th Shanethegamer 🇺🇸 670 103 35ms 24 Mar 2023 13th blaztoma 🇱🇹 670 103 37ms 15 Oct 2025 15th D-MOVE 🇵🇭 663 104 66ms 17 days ago 16th Waffle3z 657 105 37ms 12 Oct 2020 16th anter69 🇭🇺 657 105 35ms 19 Mar 2024 16th emgordon154 657 105 38ms 20 Nov 2024 19th jared-hughes 651 106 40ms 9 Sep 2022 19th lacrosse 651 106 44ms 27 Nov 2025 21st Natanaelel 🇸🇪 633 109 35ms 27 May 2021 21st orthoplex 🇨🇽 633 109 37ms 30 Mar 2022 21st KatieLG 🇬🇧 633 109 37ms 10 Apr 2022 21st OhmNomNom 633 109 65ms 1 Nov 2022 21st DialFrost 🇸🇬 633 109 36ms 2 Dec 2022 21st aaronze 🇦🇺 633 109 38ms 17 Sep 2023 27th hiddicop 🇸🇪 627 110 40ms 28 Jan 2021 27th annaproxy 627 110 37ms 4 Jan 2022 29th csharpython 622 111 37ms 16 Oct 2025 30th Andriamanitra 🇫🇮 616 112 36ms 20 Jul 2022 30th snoozingnewt 🇨🇦 616 112 36ms 12 Oct 2025 32nd adoxography 605 114 39ms 23 Jan 2021 33rd olleicua 🇺🇸 600 115 35ms 13 Jan 2024 34th tatzyr 🇯🇵 595 116 34ms 18 Dec 2024 35th schachmattmatt 585 118 38ms 11 Aug 2021 36th boxjelly 552 125 38ms 9 Feb 2021 36th akshatj27 🇦🇶 552 125 37ms 30 Dec 2021 38th KrausRaus 🇺🇸 543 127 37ms 30 Dec 2021 38th Haksell 🇦🇶 543 127 326ms 22 Feb 2023 40th idoschor 539 128 37ms 1 Dec 2020 41st aksyristos 531 130 37ms 8 Sep 2024 42nd TheZwierzLF 🇵🇱 451 153 37ms 25 Dec 2025 43rd KatieLG-Transpiler 🇬🇧 232 297 38ms 3 Jul 2022 1–43 of 43
