Reverse Polish Notation in Python in chars. 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 Chars Time Submitted 76th Frowny 664 119 174ms 13 Feb 2022 76th prplz 🇦🇺 664 119 15ms 13 Feb 2022 76th bricknellj 664 119 22ms 14 Feb 2023 76th bzijlema 🇳🇱 664 119 16ms 18 Sep 2024 76th edsrzf 🇳🇿 664 119 26ms 21 days ago 81st TobyBoyne 🇬🇧 658 120 20ms 18 Feb 2022 81st OllieBoyne 🇬🇧 658 120 15ms 18 Feb 2022 81st petroselo 658 120 249ms 12 Apr 2022 81st inventshah 658 120 17ms 15 Nov 2022 81st CaedenHarper 🇨🇦 658 120 36ms 27 Dec 2024 86th primo-ppcg 🇹🇭 653 121 24ms 4 Mar 2022 86th EnTerr 653 121 22ms 8 Sep 2024 86th Bulmenisaurus 653 121 13ms 22 days ago 89th ahmetdemirag 🇨🇾 648 122 17ms 15 Jul 2024 90th jared-hughes 642 123 16ms 8 Sep 2022 90th quimey 642 123 14ms 4 Jul 2023 90th htareque 642 123 13ms 17 Oct 2023 93rd RYNO8 632 125 17ms 16 Aug 2022 94th dzshn 627 126 16ms 15 Aug 2022 94th stefangimmillaro 627 126 17ms 10 Nov 2023 94th fgrosshans 🇫🇷 627 126 15ms 17 Jul 2024 94th NickTheEASDude 🇺🇸 627 126 27ms 21 Aug 2024 94th Pyroan 627 126 17ms 13 Mar 2025 99th MaxElf999 622 127 17ms 10 Nov 2022 99th ryyyn 🇺🇸 622 127 16ms 23 days ago 101st fourth-bit 617 128 17ms 18 Nov 2022 101st Command-Master 617 128 118ms 29 Sep 2023 101st mathisfun271 617 128 36ms 13 Feb 2024 104th andre-lameirinhas 🇵🇹 612 129 16ms 29 Jul 2022 104th Mikey-Beep 🇬🇧 612 129 16ms 6 Oct 2022 104th cros107 🇦🇺 612 129 15ms 25 May 2024 104th cubed-guy 612 129 16ms 9 Jun 2024 104th wuduculfre 612 129 12ms 22 Jul 2025 109th CedricGebistorf 608 130 18ms 16 Mar 2022 110th Natanaelel 🇸🇪 603 131 15ms 14 Feb 2022 110th amollberg 🇸🇪 603 131 17ms 15 Feb 2022 110th BREMAUCY 🇫🇷 603 131 17ms 26 Jul 2023 110th vishwathg 603 131 17ms 25 Jul 2025 110th InigoK 🇺🇸 603 131 11ms 30 Aug 2025 115th mikehanus 598 132 14ms 21 Nov 2023 115th logvp 598 132 17ms 28 Dec 2023 117th Indivicivet 594 133 17ms 9 May 2022 117th QuincyNash 🇺🇸 594 133 15ms 2 Dec 2022 117th joll05 🇸🇪 594 133 17ms 24 days ago 120th Heathcorp 🇦🇺 590 134 26ms 7 Oct 2022 120th madex 🇩🇪 590 134 37ms 9 Jul 2024 120th LostSyntax21 🇬🇧 590 134 25ms 2 Dec 2024 120th Lv0Sys 🇵🇱 590 134 28ms 1 Jun 2025 124th janbehrens 🇩🇪 585 135 27ms 1 Jul 2022 124th mwja 585 135 21ms 21 Aug 2024 126th martinnorling 🇸🇪 581 136 29ms 15 Feb 2022 126th adoxography 581 136 17ms 20 Mar 2022 126th nullie 581 136 16ms 14 Jun 2022 126th AGoyet 581 136 16ms 17 Jul 2022 126th inverseLorentz 🇦🇺 581 136 26ms 21 Feb 2024 126th HumanoidCPU 581 136 11ms 29 Sep 2024 126th chartung17 581 136 15ms 20 Apr 2025 126th Luke44565 581 136 18ms 10 Aug 2025 126th blaztoma 🇱🇹 581 136 17ms 15 Sep 2025 135th nstearns96 🇬🇧 577 137 26ms 15 Dec 2022 135th mossprescott 577 137 11ms 19 Jan 2023 135th taesungh 577 137 24ms 15 Oct 2023 135th PyryL 🇫🇮 577 137 28ms 25 Aug 2024 139th michelebastione 🇮🇹 572 138 15ms 19 Feb 2022 139th knutae 🇳🇴 572 138 17ms 8 Mar 2022 139th RDShah 572 138 29ms 15 May 2022 139th ImpressedByRocks 572 138 16ms 10 Oct 2024 143rd cefqrn 568 139 16ms 20 Dec 2022 143rd alfonsoalves 568 139 16ms 1 Mar 2024 143rd hiichbindermax 568 139 39ms 19 Sep 2024 143rd jacekwladzinski 568 139 12ms 14 days ago 147th Bmrl7 564 140 27ms 9 Mar 2024 148th SirFireball3521 560 141 40ms 7 Feb 2023 148th AstroOrbis 560 141 15ms 12 Jul 2025 148th RaBa21 🇭🇺 560 141 14ms 14 Jul 2025 First Prev 76–150 of 259 Next Last
