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 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 ovs-code 🇩🇪 1,000 54 42ms 14 Feb 2022 1st akshatj27 🇦🇶 1,000 54 46ms 14 Feb 2022 1st primo-ppcg 🇹🇭 1,000 54 41ms 14 Feb 2022 1st Lydxn 🇨🇦 1,000 54 59ms 14 Feb 2022 1st sisyphus-ppcg 🇦🇺 1,000 54 42ms 16 Feb 2022 1st radarek 🇵🇱 1,000 54 44ms 26 Feb 2022 1st Steffan153 🇫🇮 1,000 54 55ms 20 Aug 2024 1st sean-niemann 🇺🇸 1,000 54 39ms 3 Aug 2025 1st Natanaelel 🇸🇪 1,000 54 52ms 10 Feb 2026 10th MeWhenI 🇻🇦 982 55 82ms 22 Aug 2022 11th stefangimmillaro 947 57 43ms 18 Feb 2022 12th janlelis 931 58 74ms 23 Feb 2022 12th SirBogman 🇺🇸 931 58 58ms 10 Jan 2024 14th shinh 915 59 45ms 21 Jun 2022 14th tatzyr 🇯🇵 915 59 43ms 24 Mar 2025 14th lacrosse 915 59 49ms 13 Dec 2025 17th Shanethegamer 🇺🇸 900 60 44ms 12 Apr 2024 17th snoozingnewt 🇨🇦 900 60 47ms 12 Feb 2026 19th JayXon 🇺🇸 885 61 61ms 3 May 2023 19th rniii 885 61 57ms 15 Sep 2023 19th olleicua 🇺🇸 885 61 45ms 6 Jan 2024 19th xsot 🇸🇬 885 61 48ms 23 Apr 2025 19th pardouin 🇫🇷 885 61 52ms 12 Sep 2025 19th beirigo 🇧🇷 885 61 41ms 17 Oct 2025 25th nwellnhof 🇩🇪 871 62 55ms 4 Jun 2022 25th KL-Lru 871 62 55ms 29 Dec 2022 27th ChiefChippy2 844 64 52ms 12 Feb 2022 27th GrayJoKing 🇦🇺 844 64 44ms 13 Feb 2022 29th scpchicken 🇵🇼 818 66 52ms 13 Feb 2022 30th edsrzf 🇳🇿 806 67 53ms 14 Feb 2026 30th denkyuu1 806 67 43ms 12 days ago 32nd adoxography 794 68 48ms 20 Mar 2022 33rd KatieLG 🇬🇧 783 69 41ms 12 Feb 2022 33rd jared-hughes 783 69 43ms 10 Sep 2022 35th anter69 🇭🇺 761 71 54ms 2 Apr 2024 36th emgordon154 750 72 43ms 20 Nov 2024 36th Lv0Sys 🇵🇱 750 72 38ms 6 Dec 2025 38th m-tkach 🇺🇦 730 74 51ms 25 Jun 2024 39th DialFrost 🇸🇬 701 77 47ms 25 Dec 2024 40th olivermrose 🇺🇸 684 79 49ms 15 Apr 2022 41st CaedenHarper 🇨🇦 659 82 42ms 13 Sep 2025 42nd TheZwierzLF 🇵🇱 628 86 37ms 20 Dec 2025 43rd akiratee 621 87 37ms 20 Oct 2025 44th annaproxy 607 89 47ms 14 Sep 2023 45th aksyristos 600 90 53ms 8 Feb 2023 46th rucin93 🇵🇱 519 104 50ms 13 Feb 2022 47th truisseaux 160 338 57ms 12 Apr 2024 48th KatieLG-Transpiler 🇬🇧 59 909 54ms 5 Jan 2023 1–48 of 48
