Reverse Polish Notation in all languages 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 826th randolchance 521 144 18ms 4 Jan 2024 826th roupiq 🇵🇱 521 144 18ms 1 Mar 2024 826th mossiegoat 521 144 18ms 22 Aug 2025 829th warmCabin 520 223 2ms 15 Apr 2022 830th MeWhenI 🇻🇦 520 246 494ms 27 Jul 2024 831st MeWhenI 🇻🇦 519 255 165ms 13 Feb 2022 832nd postie77 519 263 343ms 19 May 2023 833rd ovs-code 🇩🇪 519 398 13ms 8 Jul 2024 834th LeeCamp 518 145 17ms 14 Feb 2022 834th hellwue 518 145 12ms 7 Feb 2023 834th adamnielson42 🇺🇸 518 145 27ms 8 Oct 2024 834th Mabeloid 🇳🇴 518 145 24ms 4 May 2025 834th te-chnical 518 145 20ms 9 Jul 2025 839th Shanethegamer 🇺🇸 518 224 2ms 28 May 2025 840th DialFrost 🇸🇬 517 77 36ms 25 Dec 2024 841st karhuthebear 514 146 17ms 6 May 2022 841st Bonjour27891 🇻🇳 514 146 17ms 17 Jul 2022 841st Player01osu 514 146 10ms 28 Oct 2023 844th nephila-nacrea 🇬🇧 513 79 6ms 20 Feb 2022 845th Bodo171 511 147 19ms 7 Dec 2022 845th vgamula 🇺🇦 511 147 19ms 6 Nov 2023 845th croc54 511 147 16ms 27 Jan 2025 848th Sciman101 510 192 2ms 27 Mar 2025 849th error256 509 51 4ms 6 May 2024 850th MeWhenI 🇻🇦 508 367 226ms 15 Feb 2022 851st davecame 507 148 34ms 18 Sep 2023 852nd dokutan 507 193 2ms 13 Jan 2025 853rd rucin93 🇵🇱 504 79 50ms 31 May 2025 854th MeWhenI 🇻🇦 503 370 28ms 14 Feb 2022 855th HumanoidCPU 502 132 393ms 29 Sep 2024 856th adamnielson42 🇺🇸 502 146 9ms 2 Jun 2023 857th namcartoon06 502 278 2,456ms 30 Jun 2023 858th KatieLG 🇬🇧 501 365 253ms 1 Oct 2022 859th MeWhenI 🇻🇦 500 117 150ms 3 Aug 2024 860th sleepyStick 500 150 17ms 15 Jul 2022 860th galloj 🇨🇿 500 150 17ms 9 Jan 2023 860th cingulataluke 500 150 11ms 27 Aug 2023 860th CutSandstone 500 150 19ms 8 Jul 2024 864th msbranicky 499 267 3ms 12 Aug 2023 865th jacklynnepenick 497 151 16ms 15 Feb 2022 865th ssbhatt4321 497 151 21ms 11 Jun 2023 865th thienudomsrirungruang 497 151 19ms 16 Apr 2024 865th 051 🇸🇬 497 151 17ms 1 Aug 2024 865th mishak-sys 497 151 40ms 24 Feb 2025 870th MeWhenI 🇻🇦 497 168 5ms 28 May 2023 871st nyoshe 496 234 2ms 4 Jul 2023 872nd MaxElf999 496 321 468ms 20 Aug 2024 873rd MeWhenI 🇻🇦 495 303 46ms 6 Sep 2022 874th bstrat 494 70 3ms 29 May 2024 875th TheBlupper 494 152 18ms 8 Nov 2022 875th yokasuretsu 494 152 15ms 14 Jan 2025 875th islptng 494 152 15ms 11 days ago 878th dokutan 493 232 62ms 26 Aug 2024 879th MeWhenI 🇻🇦 492 236 2ms 25 Aug 2023 879th keelimeguy 🇺🇸 492 236 2ms 5 Nov 2023 881st hjcafaroUC 491 153 15ms 20 Aug 2022 881st LogicalJoe 491 153 14ms 29 Nov 2022 883rd emplv 🇱🇻 491 170 5ms 30 Apr 2024 884th adamnielson42 🇺🇸 490 58 5ms 10 Jan 2024 885th Schmitt-Very-Cool 490 325 440ms 22 days ago 886th KatieLG-Transpiler 🇬🇧 487 154 94ms 4 Nov 2022 886th stertooy 🇧🇪 487 154 17ms 14 Jun 2024 888th CaedenHarper 🇨🇦 486 82 46ms 13 Sep 2025 889th retrohun 486 129 2ms 6 Nov 2022 889th DialFrost 🇸🇬 486 129 2ms 31 May 2025 891st edsrzf 🇳🇿 486 163 338ms 31 Aug 2025 892nd MeWhenI 🇻🇦 486 168 6ms 19 Apr 2024 893rd MeWhenI 🇻🇦 486 608 46ms 15 Nov 2023 894th TheDrawingCoder-Gamer 485 202 3ms 1 Jul 2025 895th AbhilashaTandon 484 155 18ms 21 Nov 2022 895th aksyristos 484 155 12ms 29 Nov 2022 895th b10011 🇫🇮 484 155 22ms 21 Jan 2023 895th Stockoh 🇫🇷 484 155 22ms 17 Oct 2024 899th yoshykai 484 329 432ms 8 Apr 2025 900th bac0id 482 330 450ms 27 Jun 2024 First Prev 826–900 of 1,113 Next Last