Reverse Polish Notation 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 ovs-code 🇩🇪 1,000 54 41ms 14 Feb 2022 1st akshatj27 🇦🇶 1,000 54 38ms 14 Feb 2022 1st primo-ppcg 🇹🇭 1,000 54 39ms 14 Feb 2022 1st Lydxn 🇨🇦 1,000 54 42ms 14 Feb 2022 1st sisyphus-ppcg 🇦🇺 1,000 54 39ms 16 Feb 2022 1st radarek 🇵🇱 1,000 54 43ms 26 Feb 2022 1st Steffan153 🇫🇮 1,000 54 47ms 20 Aug 2024 1st sean-niemann 🇺🇸 1,000 54 40ms 3 Aug 2025 1st Natanaelel 🇸🇪 1,000 54 36ms 36 hours ago 10th MeWhenI 🇻🇦 982 55 73ms 22 Aug 2022 11th stefangimmillaro 947 57 39ms 18 Feb 2022 12th janlelis 931 58 69ms 23 Feb 2022 12th SirBogman 🇺🇸 931 58 42ms 10 Jan 2024 14th shinh 915 59 45ms 21 Jun 2022 14th tatzyr 🇯🇵 915 59 44ms 24 Mar 2025 14th lacrosse 915 59 42ms 13 Dec 2025 17th Shanethegamer 🇺🇸 900 60 37ms 12 Apr 2024 17th snoozingnewt 🇨🇦 900 60 38ms 2 hours ago 19th JayXon 🇺🇸 885 61 44ms 3 May 2023 19th rniii 885 61 41ms 15 Sep 2023 19th olleicua 🇺🇸 885 61 39ms 6 Jan 2024 19th xsot 🇸🇬 885 61 39ms 23 Apr 2025 19th pardouin 🇫🇷 885 61 41ms 12 Sep 2025 19th beirigo 🇧🇷 885 61 40ms 17 Oct 2025 25th nwellnhof 🇩🇪 871 62 42ms 4 Jun 2022 25th KL-Lru 871 62 41ms 29 Dec 2022 27th ChiefChippy2 844 64 41ms 12 Feb 2022 27th GrayJoKing 🇦🇺 844 64 41ms 13 Feb 2022 29th scpchicken 🇵🇼 818 66 38ms 13 Feb 2022 30th adoxography 794 68 42ms 20 Mar 2022 31st KatieLG 🇬🇧 783 69 43ms 12 Feb 2022 31st jared-hughes 783 69 39ms 10 Sep 2022 33rd edsrzf 🇳🇿 771 70 42ms 4 Sep 2025 34th anter69 🇭🇺 761 71 38ms 2 Apr 2024 35th emgordon154 750 72 37ms 20 Nov 2024 35th Lv0Sys 🇵🇱 750 72 41ms 6 Dec 2025 37th m-tkach 🇺🇦 730 74 42ms 25 Jun 2024 38th DialFrost 🇸🇬 701 77 41ms 25 Dec 2024 39th olivermrose 🇺🇸 684 79 43ms 15 Apr 2022 40th CaedenHarper 🇨🇦 659 82 36ms 13 Sep 2025 41st TheZwierzLF 🇵🇱 628 86 40ms 20 Dec 2025 42nd akiratee 621 87 36ms 20 Oct 2025 43rd annaproxy 607 89 37ms 14 Sep 2023 44th aksyristos 600 90 35ms 8 Feb 2023 45th rucin93 🇵🇱 519 104 37ms 13 Feb 2022 46th truisseaux 160 338 35ms 12 Apr 2024 47th KatieLG-Transpiler 🇬🇧 59 909 41ms 5 Jan 2023 1–47 of 47
