Reverse Polish Notation in Ruby in bytes. 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 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 Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st ovs-code 🇩🇪 1,000 54 38ms 14 Feb 2022 1st akshatj27 🇦🇶 1,000 54 43ms 14 Feb 2022 1st primo-ppcg 🇹🇭 1,000 54 36ms 14 Feb 2022 1st Lydxn 🇨🇦 1,000 54 40ms 14 Feb 2022 1st sisyphus-ppcg 🇦🇺 1,000 54 43ms 16 Feb 2022 1st radarek 🇵🇱 1,000 54 39ms 26 Feb 2022 1st Steffan153 🇫🇮 1,000 54 39ms 20 Aug 2024 1st sean-niemann 🇺🇸 1,000 54 42ms 3 Aug 2025 9th MeWhenI 🇻🇦 982 55 67ms 22 Aug 2022 10th stefangimmillaro 947 57 40ms 18 Feb 2022 11th janlelis 931 58 79ms 23 Feb 2022 11th SirBogman 🇺🇸 931 58 59ms 10 Jan 2024 13th shinh 915 59 39ms 21 Jun 2022 13th tatzyr 🇯🇵 915 59 40ms 24 Mar 2025 15th Shanethegamer 🇺🇸 900 60 60ms 12 Apr 2024 16th JayXon 🇺🇸 885 61 38ms 3 May 2023 16th rniii 885 61 49ms 15 Sep 2023 16th olleicua 🇺🇸 885 61 37ms 6 Jan 2024 16th xsot 🇸🇬 885 61 35ms 23 Apr 2025 16th pardouin 🇫🇷 885 61 48ms 12 Sep 2025 16th beirigo 🇧🇷 885 61 41ms 6 days ago 22nd nwellnhof 🇩🇪 871 62 40ms 4 Jun 2022 22nd KL-Lru 871 62 42ms 29 Dec 2022 22nd Natanaelel 🇸🇪 871 62 38ms 9 Dec 2023 25th ChiefChippy2 844 64 38ms 12 Feb 2022 25th GrayJoKing 🇦🇺 844 64 40ms 13 Feb 2022 27th scpchicken 🇵🇼 818 66 38ms 13 Feb 2022 28th adoxography 794 68 47ms 20 Mar 2022 29th KatieLG 🇬🇧 783 69 36ms 12 Feb 2022 29th jared-hughes 783 69 38ms 10 Sep 2022 31st edsrzf 🇳🇿 771 70 41ms 4 Sep 2025 32nd anter69 🇭🇺 761 71 42ms 2 Apr 2024 33rd emgordon154 750 72 49ms 20 Nov 2024 34th m-tkach 🇺🇦 730 74 42ms 25 Jun 2024 35th DialFrost 🇸🇬 701 77 36ms 25 Dec 2024 36th olivermrose 🇺🇸 684 79 45ms 15 Apr 2022 37th CaedenHarper 🇨🇦 659 82 46ms 13 Sep 2025 38th akiratee 621 87 43ms 2 days ago 39th annaproxy 607 89 37ms 14 Sep 2023 40th aksyristos 600 90 37ms 8 Feb 2023 41st rucin93 🇵🇱 519 104 35ms 13 Feb 2022 42nd truisseaux 160 338 39ms 12 Apr 2024 43rd KatieLG-Transpiler 🇬🇧 59 909 41ms 5 Jan 2023 1–43 of 43
