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 Multitap Input 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 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 Lily 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 Lily 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 Multitap Input 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 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 560th tatzyr 🇯🇵 701 57 42ms 26 Feb 2025 562nd vgamula 🇺🇦 700 226 31ms 6 Nov 2023 563rd JunkIce 699 95 403ms 3 Dec 2024 564th Mandrzejy 🇵🇱 698 167 1ms 3 Nov 2024 565th stefangimmillaro 698 193 2,596ms 12 Nov 2024 566th stefangimmillaro 698 262 284ms 5 May 2025 566th edsrzf 🇳🇿 698 262 294ms 10 Jun 2025 568th primo-ppcg 🇹🇭 696 48 1,032ms 15 Feb 2022 569th emgordon154 694 118 1,301ms 3 Dec 2024 570th Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 570th MeWhenI 🇻🇦 693 41 5ms 2 Mar 2025 572nd KingSkyrock 🇺🇸 692 106 10ms 17 Mar 2022 573rd ian-h-chamberlain 🇺🇸 692 270 216ms 13 Nov 2025 574th lifthrasiir 🇰🇷 691 50 3ms 28 Nov 2024 575th KatieLG 🇬🇧 691 96 485ms 28 Oct 2024 576th CaedenHarper 🇨🇦 690 231 538ms 5 Oct 2025 577th Shanethegamer 🇺🇸 689 58 41ms 13 Feb 2022 577th SirBogman 🇺🇸 689 58 42ms 10 Jan 2024 579th Ripick 688 186 352ms 24 Jun 2025 580th edsrzf 🇳🇿 686 38 4ms 14 Oct 2025 581st MathisBullinger 686 107 11ms 11 May 2022 581st CaedenHarper 🇨🇦 686 107 10ms 23 Aug 2025 583rd iakolzin 684 205 58ms 1 Jul 2022 584th nwellnhof 🇩🇪 683 110 378ms 24 May 2022 584th AlephSquirrel 683 110 219ms 29 May 2023 584th 5cw 🇺🇸 683 110 283ms 9 May 2024 584th Seek64 🇩🇪 683 110 391ms 13 Sep 2024 588th revlayle 🇺🇸 681 201 388ms 9 Dec 2022 589th CatsAreFluffy 681 206 63ms 24 Feb 2023 590th janbehrens 🇩🇪 678 199 505ms 26 Mar 2022 591st shinh 677 59 45ms 21 Jun 2022 591st lacrosse 677 59 42ms 13 Dec 2025 593rd roavin 677 202 394ms 30 Jun 2022 594th 386asm 🇺🇸 675 222 43ms 5 May 2023 595th Mikey-Beep 🇬🇧 674 203 394ms 2 Sep 2024 595th tomh1012 674 203 418ms 5 Sep 2025 597th randolchance 673 109 11ms 4 Jan 2024 598th edsrzf 🇳🇿 673 124 5ms 6 Oct 2025 599th MeWhenI 🇻🇦 671 112 309ms 22 May 2024 600th MeWhenI 🇻🇦 670 146 6ms 13 Aug 2024 601st prestosilver 🇺🇸 670 174 1ms 18 Nov 2025 602nd albanian-laundromat 668 39 4ms 4 days ago 603rd Natanaelel 🇸🇪 668 86 34ms 29 Jan 2024 604th janbehrens 🇩🇪 667 6 49ms 25 Nov 2022 605th snoozingnewt 🇨🇦 666 60 38ms 5 days ago 606th alemelis 666 101 823ms 26 Aug 2024 607th Shanethegamer 🇺🇸 665 61 5ms 13 Feb 2022 608th xnor-gate 665 113 38ms 14 Feb 2022 609th Garklein 🇨🇦 664 52 3ms 13 Feb 2022 609th Natanaelel 🇸🇪 664 52 2ms 14 Jul 2023 609th SirBogman 🇺🇸 664 52 2ms 6 Nov 2023 612th janbehrens 🇩🇪 664 206 399ms 26 Feb 2022 613th oeb25 663 282 215ms 16 May 2022 614th two-bad 🇬🇧 661 111 12ms 25 Feb 2024 615th Shanethegamer 🇺🇸 661 122 7ms 12 Apr 2024 616th billings7 🇬🇧 661 207 406ms 16 Apr 2022 617th jmerle 🇳🇱 659 114 16ms 15 Feb 2023 618th edsrzf 🇳🇿 659 182 126ms 30 Nov 2025 619th jgbaldwinbrown 658 177 2ms 15 Jun 2022 620th IISResetMe 657 88 429ms 25 Dec 2025 621st m-tkach 🇺🇦 657 101 516ms 21 Jan 2024 622nd edsrzf 🇳🇿 657 282 6ms 20 Feb 2025 623rd rniii 655 61 41ms 15 Sep 2023 623rd olleicua 🇺🇸 655 61 39ms 6 Jan 2024 623rd anter69 🇭🇺 655 61 66ms 2 Apr 2024 623rd xsot 🇸🇬 655 61 39ms 23 Apr 2025 623rd beirigo 🇧🇷 655 61 40ms 17 Oct 2025 628th CatsAreFluffy 654 178 2ms 24 Feb 2023 629th Salutations45 653 96 2ms 22 Jan 2025 630th lynn 653 115 13ms 12 Feb 2022 630th Kacarott 🇦🇺 653 115 412ms 4 Feb 2025 632nd MeWhenI 🇻🇦 653 204 2ms 11 Sep 2022 633rd jerrandolph 653 280 290ms 19 Dec 2023 634th Florian-Mt 653 286 277ms 15 Jul 2024 635th WalrusesAreAwesome 652 210 401ms 17 hours ago 636th UnderKoen 🇳🇱 652 284 13ms 26 Aug 2025 637th TehFlaminTaco 649 113 34ms 10 Nov 2022 638th thehylian 648 116 16ms 14 Jan 2023 638th zacjl 648 116 17ms 20 Apr 2023 640th Shanethegamer 🇺🇸 648 151 19ms 14 Aug 2024 First Prev 561–640 of 1,173 Next Last