Reverse Polish Notation in Python in chars. 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 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 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 Chars Time Submitted 77th Natanaelel 🇸🇪 664 119 16ms 13 Nov 2025 77th blaztoma 🇱🇹 664 119 19ms 26 days ago 83rd TobyBoyne 🇬🇧 658 120 16ms 18 Feb 2022 83rd OllieBoyne 🇬🇧 658 120 16ms 18 Feb 2022 83rd petroselo 658 120 201ms 12 Apr 2022 83rd inventshah 658 120 15ms 15 Nov 2022 83rd CaedenHarper 🇨🇦 658 120 17ms 27 Dec 2024 88th primo-ppcg 🇹🇭 653 121 22ms 4 Mar 2022 88th EnTerr 653 121 24ms 8 Sep 2024 88th Bulmenisaurus 653 121 13ms 3 Oct 2025 88th ryyyn 🇺🇸 653 121 18ms 28 Oct 2025 92nd ahmetdemirag 🇨🇾 648 122 15ms 15 Jul 2024 92nd Lv0Sys 🇵🇱 648 122 22ms 6 Dec 2025 94th jared-hughes 642 123 17ms 8 Sep 2022 94th quimey 642 123 15ms 4 Jul 2023 94th htareque 642 123 13ms 17 Oct 2023 97th andrewjc2000 637 124 19ms 21 days ago 98th RYNO8 632 125 16ms 16 Aug 2022 99th dzshn 627 126 16ms 15 Aug 2022 99th stefangimmillaro 627 126 14ms 10 Nov 2023 99th fgrosshans 🇫🇷 627 126 13ms 17 Jul 2024 99th NickTheEASDude 🇺🇸 627 126 22ms 21 Aug 2024 99th Pyroan 627 126 15ms 13 Mar 2025 99th 051 🇸🇬 627 126 47ms 26 days ago 105th MaxElf999 622 127 17ms 10 Nov 2022 105th DrakeSeteraO 622 127 24ms 28 Oct 2025 107th fourth-bit 617 128 16ms 18 Nov 2022 107th Command-Master 617 128 97ms 29 Sep 2023 107th mathisfun271 617 128 36ms 13 Feb 2024 107th solisolu 617 128 20ms 30 Dec 2025 111th andre-lameirinhas 🇵🇹 612 129 16ms 29 Jul 2022 111th Mikey-Beep 🇬🇧 612 129 17ms 6 Oct 2022 111th cros107 🇦🇺 612 129 16ms 25 May 2024 111th cubed-guy 612 129 15ms 9 Jun 2024 111th wuduculfre 612 129 12ms 22 Jul 2025 111th retrohun 612 129 24ms 31 Dec 2025 117th CedricGebistorf 608 130 17ms 16 Mar 2022 118th amollberg 🇸🇪 603 131 17ms 15 Feb 2022 118th BREMAUCY 🇫🇷 603 131 17ms 26 Jul 2023 118th vishwathg 603 131 16ms 25 Jul 2025 118th InigoK 🇺🇸 603 131 12ms 30 Aug 2025 122nd mikehanus 598 132 17ms 21 Nov 2023 122nd logvp 598 132 17ms 28 Dec 2023 124th Indivicivet 594 133 17ms 9 May 2022 124th QuincyNash 🇺🇸 594 133 16ms 2 Dec 2022 124th joll05 🇸🇪 594 133 17ms 1 Oct 2025 127th Heathcorp 🇦🇺 590 134 26ms 7 Oct 2022 127th madex 🇩🇪 590 134 27ms 9 Jul 2024 127th LostSyntax21 🇬🇧 590 134 24ms 2 Dec 2024 130th janbehrens 🇩🇪 585 135 27ms 1 Jul 2022 130th mwja 585 135 16ms 21 Aug 2024 132nd martinnorling 🇸🇪 581 136 31ms 15 Feb 2022 132nd adoxography 581 136 16ms 20 Mar 2022 132nd nullie 581 136 16ms 14 Jun 2022 132nd AGoyet 581 136 17ms 17 Jul 2022 132nd inverseLorentz 🇦🇺 581 136 22ms 21 Feb 2024 132nd HumanoidCPU 581 136 11ms 29 Sep 2024 132nd chartung17 581 136 16ms 20 Apr 2025 132nd Luke44565 581 136 17ms 10 Aug 2025 132nd Bmrl7 581 136 26ms 21 Dec 2025 141st nstearns96 🇬🇧 577 137 22ms 15 Dec 2022 141st mossprescott 577 137 11ms 19 Jan 2023 141st taesungh 577 137 17ms 15 Oct 2023 141st PyryL 🇫🇮 577 137 22ms 25 Aug 2024 145th michelebastione 🇮🇹 572 138 17ms 19 Feb 2022 145th knutae 🇳🇴 572 138 16ms 8 Mar 2022 145th RDShah 572 138 31ms 15 May 2022 145th ImpressedByRocks 572 138 16ms 10 Oct 2024 149th cefqrn 568 139 16ms 20 Dec 2022 149th alfonsoalves 568 139 17ms 1 Mar 2024 149th hiichbindermax 568 139 39ms 19 Sep 2024 149th jacekwladzinski 568 139 12ms 10 Oct 2025 153rd SirFireball3521 560 141 38ms 7 Feb 2023 153rd AstroOrbis 560 141 16ms 12 Jul 2025 153rd RaBa21 🇭🇺 560 141 11ms 14 Jul 2025 153rd osNiko 🇧🇷 560 141 17ms 30 Dec 2025 157th MichalMarsalek 🇨🇿 556 142 17ms 14 Feb 2022 157th marcin7Cd 556 142 15ms 20 Feb 2022 159th SniperSmiley 🇺🇸 552 143 17ms 8 Jul 2022 159th Europe2048 552 143 26ms 22 Oct 2024 First Prev 81–160 of 271 Next Last