Reverse Polish Notation in all languages 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 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 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 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 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 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 796th HumanoidCPU 553 136 9ms 29 Sep 2024 796th chartung17 553 136 16ms 20 Apr 2025 796th Luke44565 553 136 17ms 10 Aug 2025 796th Bmrl7 553 136 27ms 23 days ago 805th msbranicky 553 338 252ms 6 Oct 2023 806th msbranicky 552 244 3,458ms 9 Jan 2025 807th inventshah 551 122 2,588ms 7 Nov 2022 808th iczelia 🇩🇪 550 212 1ms 11 Oct 2025 809th keelimeguy 🇺🇸 550 255 2,403ms 5 Nov 2023 809th yeminghan2021 550 255 65ms 2 Feb 2025 811th GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 812th KatieLG 🇬🇧 548 74 5ms 19 Mar 2022 813th nstearns96 🇬🇧 548 137 24ms 15 Dec 2022 813th mossprescott 548 137 11ms 19 Jan 2023 813th taesungh 548 137 16ms 15 Oct 2023 813th PyryL 🇫🇮 548 137 18ms 25 Aug 2024 817th stellartux 547 123 373ms 24 Dec 2023 818th zakariamouhid 547 134 14ms 11 May 2023 819th michelebastione 🇮🇹 544 138 16ms 19 Feb 2022 819th knutae 🇳🇴 544 138 15ms 8 Mar 2022 819th RDShah 544 138 32ms 15 May 2022 819th ImpressedByRocks 544 138 16ms 10 Oct 2024 823rd c0d3-4-F00d 🇩🇪 544 214 2ms 24 Feb 2022 824th codewrite 🇬🇧 542 252 374ms 13 May 2025 825th cefqrn 541 139 17ms 20 Dec 2022 825th alfonsoalves 541 139 17ms 1 Mar 2024 825th hiichbindermax 541 139 37ms 19 Sep 2024 825th jacekwladzinski 541 139 11ms 10 Oct 2025 829th MeWhenI 🇻🇦 540 64 2ms 15 Feb 2022 830th Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 831st m-tkach 🇺🇦 539 74 39ms 25 Jun 2024 832nd hjcafaroUC 539 260 2,434ms 20 Aug 2022 833rd bac0id 537 217 1ms 27 Jun 2024 834th snoozingnewt 🇨🇦 534 253 107ms 8 Oct 2025 835th MeWhenI 🇻🇦 533 76 5ms 16 Apr 2023 836th SirFireball3521 533 141 37ms 7 Feb 2023 836th AstroOrbis 533 141 15ms 12 Jul 2025 836th RaBa21 🇭🇺 533 141 10ms 14 Jul 2025 836th osNiko 🇧🇷 533 141 17ms 14 days ago 840th MeWhenI 🇻🇦 533 208 120ms 16 Oct 2022 841st neel11235813 531 125 485ms 17 Mar 2024 842nd IlkkaTakala 531 264 2,567ms 20 Dec 2023 843rd KatieLG 🇬🇧 531 470 1,882ms 21 Nov 2025 844th codewrite 🇬🇧 530 345 266ms 16 Jun 2025 845th MichalMarsalek 🇨🇿 529 142 15ms 14 Feb 2022 845th marcin7Cd 529 142 15ms 20 Feb 2022 847th MeWhenI 🇻🇦 528 317 32ms 6 Jun 2023 848th varhammer 🇷🇺 526 196 5ms 13 Dec 2023 849th janbehrens 🇩🇪 525 128 2,019ms 23 Feb 2022 850th SniperSmiley 🇺🇸 525 143 15ms 8 Jul 2022 850th Europe2048 525 143 24ms 22 Oct 2024 850th moustave 525 143 11ms 7 Apr 2025 853rd MeWhenI 🇻🇦 523 139 787ms 15 Sep 2025 854th randolchance 522 144 20ms 4 Jan 2024 854th roupiq 🇵🇱 522 144 17ms 1 Mar 2024 854th robin-scragg 522 144 18ms 22 Aug 2025 854th Deppyforce 522 144 15ms 9 Nov 2025 858th warmCabin 522 223 2ms 15 Apr 2022 859th Shanethegamer 🇺🇸 520 224 2ms 28 May 2025 860th MeWhenI 🇻🇦 520 246 363ms 27 Jul 2024 861st postie77 520 263 336ms 19 May 2023 862nd MeWhenI 🇻🇦 519 255 150ms 13 Feb 2022 863rd ovs-code 🇩🇪 519 398 9ms 8 Jul 2024 864th DialFrost 🇸🇬 518 77 35ms 25 Dec 2024 865th LeeCamp 518 145 16ms 14 Feb 2022 865th hellwue 518 145 10ms 7 Feb 2023 865th adamnielson42 🇺🇸 518 145 25ms 8 Oct 2024 865th Mabeloid 🇳🇴 518 145 26ms 4 May 2025 865th te-chnical 518 145 16ms 9 Jul 2025 870th karhuthebear 515 146 16ms 6 May 2022 870th Bonjour27891 🇻🇳 515 146 11ms 17 Jul 2022 870th Player01osu 515 146 11ms 28 Oct 2023 873rd nephila-nacrea 🇬🇧 513 79 5ms 20 Feb 2022 874th error256 511 51 3ms 6 May 2024 875th Bodo171 511 147 19ms 7 Dec 2022 875th vgamula 🇺🇦 511 147 15ms 6 Nov 2023 875th croc54 511 147 15ms 27 Jan 2025 878th Sciman101 511 192 2ms 27 Mar 2025 879th MeWhenI 🇻🇦 509 367 202ms 15 Feb 2022 880th davecame 508 148 26ms 18 Sep 2023 First Prev 801–880 of 1,163 Next Last