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 797th inverseLorentz 🇦🇺 553 136 20ms 21 Feb 2024 797th HumanoidCPU 553 136 9ms 29 Sep 2024 797th chartung17 553 136 16ms 20 Apr 2025 797th Luke44565 553 136 17ms 10 Aug 2025 797th Bmrl7 553 136 27ms 21 Dec 2025 806th msbranicky 553 338 252ms 6 Oct 2023 807th msbranicky 552 244 2,339ms 9 Jan 2025 808th inventshah 551 122 2,522ms 7 Nov 2022 809th iczelia 🇩🇪 550 212 1ms 11 Oct 2025 810th keelimeguy 🇺🇸 550 255 2,403ms 5 Nov 2023 810th yeminghan2021 550 255 63ms 2 Feb 2025 812th GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 813th KatieLG 🇬🇧 548 74 5ms 19 Mar 2022 814th nstearns96 🇬🇧 548 137 24ms 15 Dec 2022 814th mossprescott 548 137 11ms 19 Jan 2023 814th taesungh 548 137 16ms 15 Oct 2023 814th PyryL 🇫🇮 548 137 18ms 25 Aug 2024 818th stellartux 547 123 373ms 24 Dec 2023 819th zakariamouhid 547 134 10ms 11 May 2023 820th michelebastione 🇮🇹 544 138 16ms 19 Feb 2022 820th knutae 🇳🇴 544 138 15ms 8 Mar 2022 820th RDShah 544 138 32ms 15 May 2022 820th ImpressedByRocks 544 138 16ms 10 Oct 2024 824th c0d3-4-F00d 🇩🇪 544 214 2ms 24 Feb 2022 825th codewrite 🇬🇧 542 252 432ms 13 May 2025 826th cefqrn 541 139 17ms 20 Dec 2022 826th alfonsoalves 541 139 17ms 1 Mar 2024 826th hiichbindermax 541 139 37ms 19 Sep 2024 826th jacekwladzinski 541 139 11ms 10 Oct 2025 830th MeWhenI 🇻🇦 540 64 2ms 15 Feb 2022 831st Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 832nd m-tkach 🇺🇦 539 74 42ms 25 Jun 2024 833rd hjcafaroUC 539 260 2,434ms 20 Aug 2022 834th bac0id 537 217 1ms 27 Jun 2024 835th snoozingnewt 🇨🇦 534 253 107ms 8 Oct 2025 836th MeWhenI 🇻🇦 533 76 5ms 16 Apr 2023 837th SirFireball3521 533 141 37ms 7 Feb 2023 837th AstroOrbis 533 141 15ms 12 Jul 2025 837th RaBa21 🇭🇺 533 141 10ms 14 Jul 2025 837th osNiko 🇧🇷 533 141 17ms 21 days ago 841st MeWhenI 🇻🇦 533 208 106ms 16 Oct 2022 842nd neel11235813 531 125 484ms 17 Mar 2024 843rd IlkkaTakala 531 264 2,451ms 20 Dec 2023 844th KatieLG 🇬🇧 531 470 1,882ms 21 Nov 2025 845th codewrite 🇬🇧 530 345 243ms 16 Jun 2025 846th MichalMarsalek 🇨🇿 529 142 15ms 14 Feb 2022 846th marcin7Cd 529 142 15ms 20 Feb 2022 848th MeWhenI 🇻🇦 528 317 32ms 6 Jun 2023 849th varhammer 🇷🇺 526 196 5ms 13 Dec 2023 850th janbehrens 🇩🇪 525 128 1,509ms 23 Feb 2022 851st SniperSmiley 🇺🇸 525 143 15ms 8 Jul 2022 851st Europe2048 525 143 24ms 22 Oct 2024 851st moustave 525 143 11ms 7 Apr 2025 854th MeWhenI 🇻🇦 523 139 787ms 15 Sep 2025 855th randolchance 522 144 20ms 4 Jan 2024 855th roupiq 🇵🇱 522 144 17ms 1 Mar 2024 855th robin-scragg 522 144 18ms 22 Aug 2025 855th Deppyforce 522 144 15ms 9 Nov 2025 859th warmCabin 522 223 2ms 15 Apr 2022 860th Shanethegamer 🇺🇸 520 224 2ms 28 May 2025 861st MeWhenI 🇻🇦 520 246 363ms 27 Jul 2024 862nd postie77 520 263 391ms 19 May 2023 863rd MeWhenI 🇻🇦 519 255 150ms 13 Feb 2022 864th ovs-code 🇩🇪 519 398 9ms 8 Jul 2024 865th DialFrost 🇸🇬 518 77 41ms 25 Dec 2024 866th LeeCamp 518 145 16ms 14 Feb 2022 866th hellwue 518 145 10ms 7 Feb 2023 866th adamnielson42 🇺🇸 518 145 25ms 8 Oct 2024 866th Mabeloid 🇳🇴 518 145 26ms 4 May 2025 866th te-chnical 518 145 16ms 9 Jul 2025 871st karhuthebear 515 146 16ms 6 May 2022 871st Bonjour27891 🇻🇳 515 146 11ms 17 Jul 2022 871st Player01osu 515 146 11ms 28 Oct 2023 871st Aquateraneal 515 146 16ms 4 days ago 875th nephila-nacrea 🇬🇧 513 79 5ms 20 Feb 2022 876th error256 511 51 3ms 6 May 2024 877th Bodo171 511 147 19ms 7 Dec 2022 877th vgamula 🇺🇦 511 147 15ms 6 Nov 2023 877th croc54 511 147 15ms 27 Jan 2025 880th Sciman101 511 192 2ms 27 Mar 2025 First Prev 801–880 of 1,164 Next Last