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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 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 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 Calendar 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 Multitap Input 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 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 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 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 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 Calendar 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 Multitap Input 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 82nd TobyBoyne 🇬🇧 658 120 16ms 18 Feb 2022 82nd OllieBoyne 🇬🇧 658 120 15ms 18 Feb 2022 82nd petroselo 658 120 190ms 12 Apr 2022 82nd inventshah 658 120 15ms 15 Nov 2022 82nd CaedenHarper 🇨🇦 658 120 17ms 27 Dec 2024 87th primo-ppcg 🇹🇭 653 121 20ms 4 Mar 2022 87th EnTerr 653 121 22ms 8 Sep 2024 87th Bulmenisaurus 653 121 12ms 3 Oct 2025 87th ryyyn 🇺🇸 653 121 16ms 28 Oct 2025 91st ahmetdemirag 🇨🇾 648 122 14ms 15 Jul 2024 91st Lv0Sys 🇵🇱 648 122 23ms 24 days ago 93rd jared-hughes 642 123 16ms 8 Sep 2022 93rd quimey 642 123 17ms 4 Jul 2023 93rd htareque 642 123 11ms 17 Oct 2023 96th RYNO8 632 125 16ms 16 Aug 2022 97th dzshn 627 126 16ms 15 Aug 2022 97th stefangimmillaro 627 126 15ms 10 Nov 2023 97th fgrosshans 🇫🇷 627 126 12ms 17 Jul 2024 97th NickTheEASDude 🇺🇸 627 126 18ms 21 Aug 2024 97th Pyroan 627 126 16ms 13 Mar 2025 102nd MaxElf999 622 127 16ms 10 Nov 2022 102nd DrakeSeteraO 622 127 24ms 28 Oct 2025 102nd blaztoma 🇱🇹 622 127 16ms 6 days ago 105th fourth-bit 617 128 15ms 18 Nov 2022 105th Command-Master 617 128 102ms 29 Sep 2023 105th mathisfun271 617 128 35ms 13 Feb 2024 105th solisolu 617 128 21ms 4 hours ago 109th andre-lameirinhas 🇵🇹 612 129 16ms 29 Jul 2022 109th Mikey-Beep 🇬🇧 612 129 17ms 6 Oct 2022 109th cros107 🇦🇺 612 129 14ms 25 May 2024 109th cubed-guy 612 129 16ms 9 Jun 2024 109th wuduculfre 612 129 10ms 22 Jul 2025 114th CedricGebistorf 608 130 17ms 16 Mar 2022 115th amollberg 🇸🇪 603 131 17ms 15 Feb 2022 115th BREMAUCY 🇫🇷 603 131 18ms 26 Jul 2023 115th vishwathg 603 131 16ms 25 Jul 2025 115th InigoK 🇺🇸 603 131 11ms 30 Aug 2025 119th mikehanus 598 132 16ms 21 Nov 2023 119th logvp 598 132 15ms 28 Dec 2023 121st Indivicivet 594 133 16ms 9 May 2022 121st QuincyNash 🇺🇸 594 133 17ms 2 Dec 2022 121st joll05 🇸🇪 594 133 15ms 1 Oct 2025 124th Heathcorp 🇦🇺 590 134 25ms 7 Oct 2022 124th madex 🇩🇪 590 134 24ms 9 Jul 2024 124th LostSyntax21 🇬🇧 590 134 24ms 2 Dec 2024 127th janbehrens 🇩🇪 585 135 25ms 1 Jul 2022 127th mwja 585 135 15ms 21 Aug 2024 129th martinnorling 🇸🇪 581 136 29ms 15 Feb 2022 129th adoxography 581 136 18ms 20 Mar 2022 129th nullie 581 136 16ms 14 Jun 2022 129th AGoyet 581 136 16ms 17 Jul 2022 129th inverseLorentz 🇦🇺 581 136 20ms 21 Feb 2024 129th HumanoidCPU 581 136 9ms 29 Sep 2024 129th chartung17 581 136 16ms 20 Apr 2025 129th Luke44565 581 136 17ms 10 Aug 2025 129th Bmrl7 581 136 27ms 9 days ago 138th nstearns96 🇬🇧 577 137 24ms 15 Dec 2022 138th mossprescott 577 137 11ms 19 Jan 2023 138th taesungh 577 137 16ms 15 Oct 2023 138th PyryL 🇫🇮 577 137 18ms 25 Aug 2024 142nd michelebastione 🇮🇹 572 138 16ms 19 Feb 2022 142nd knutae 🇳🇴 572 138 15ms 8 Mar 2022 142nd RDShah 572 138 32ms 15 May 2022 142nd ImpressedByRocks 572 138 16ms 10 Oct 2024 146th cefqrn 568 139 17ms 20 Dec 2022 146th alfonsoalves 568 139 17ms 1 Mar 2024 146th hiichbindermax 568 139 37ms 19 Sep 2024 146th jacekwladzinski 568 139 11ms 10 Oct 2025 150th SirFireball3521 560 141 37ms 7 Feb 2023 150th AstroOrbis 560 141 15ms 12 Jul 2025 150th RaBa21 🇭🇺 560 141 10ms 14 Jul 2025 150th osNiko 🇧🇷 560 141 17ms 6 hours ago 154th MichalMarsalek 🇨🇿 556 142 15ms 14 Feb 2022 154th marcin7Cd 556 142 15ms 20 Feb 2022 156th SniperSmiley 🇺🇸 552 143 15ms 8 Jul 2022 156th Europe2048 552 143 24ms 22 Oct 2024 156th moustave 552 143 11ms 7 Apr 2025 159th randolchance 549 144 20ms 4 Jan 2024 159th roupiq 🇵🇱 549 144 17ms 1 Mar 2024 First Prev 81–160 of 269 Next Last