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 676th olivermrose 🇺🇸 613 65 38ms 15 Apr 2022 677th emgordon154 612 219 703ms 28 May 2025 678th adlerzei 612 223 355ms 5 May 2022 679th efgen 610 120 11ms 28 Dec 2023 680th jared-hughes 610 123 16ms 8 Sep 2022 680th quimey 610 123 14ms 4 Jul 2023 680th htareque 610 123 13ms 17 Oct 2023 683rd wackbyte 610 306 260ms 7 Dec 2023 684th IISResetMe 609 95 328ms 6 Mar 2024 685th msbranicky 609 300 267ms 31 Aug 2023 686th scpchicken 🇵🇼 603 66 38ms 13 Feb 2022 687th bizy-coder 603 110 507ms 16 Jan 2024 687th MeWhenI 🇻🇦 603 110 579ms 24 May 2024 687th CaedenHarper 🇨🇦 603 110 519ms 27 Dec 2024 690th Shanethegamer 🇺🇸 602 232 2,550ms 16 Feb 2022 691st emgordon154 602 310 298ms 6 Mar 2025 692nd RYNO8 601 125 17ms 16 Aug 2022 693rd RockOfStone 601 163 2ms 14 Mar 2024 694th MeWhenI 🇻🇦 600 174 6ms 15 Oct 2023 695th emgordon154 600 414 1,014ms 20 days ago 696th bac0id 599 233 71ms 27 Jun 2024 697th janbehrens 🇩🇪 598 266 451ms 26 Feb 2022 697th cbrt-x 598 266 397ms 6 May 2022 699th GrayJoKing 🇦🇺 596 98 147ms 11 Aug 2024 700th dzshn 596 126 16ms 15 Aug 2022 700th stefangimmillaro 596 126 17ms 10 Nov 2023 700th fgrosshans 🇫🇷 596 126 15ms 17 Jul 2024 700th NickTheEASDude 🇺🇸 596 126 27ms 21 Aug 2024 700th Pyroan 596 126 17ms 13 Mar 2025 705th MaxElf999 591 127 17ms 10 Nov 2022 705th ryyyn 🇺🇸 591 127 16ms 22 days ago 707th Shanethegamer 🇺🇸 591 134 298ms 4 Jun 2025 708th pschmid0 🇺🇸 588 142 5ms 17 Oct 2022 709th adoxography 586 68 47ms 20 Mar 2022 710th mwja 586 125 10ms 22 Aug 2024 711th fourth-bit 586 128 17ms 18 Nov 2022 711th Command-Master 586 128 118ms 29 Sep 2023 711th mathisfun271 586 128 36ms 13 Feb 2024 714th emgordon154 586 137 28ms 29 Jul 2025 715th 0xjac 🇨🇭 586 312 258ms 8 Jun 2025 716th RobertHoeh 585 229 2,565ms 17 days ago 717th Shanethegamer 🇺🇸 584 99 320ms 20 Apr 2022 718th jared-hughes 584 103 54ms 18 Jul 2022 719th stefangimmillaro 584 190 129ms 22 Oct 2022 720th Kacarott 🇦🇺 582 114 669ms 4 Feb 2025 721st andre-lameirinhas 🇵🇹 582 129 16ms 29 Jul 2022 721st Mikey-Beep 🇬🇧 582 129 16ms 6 Oct 2022 721st cros107 🇦🇺 582 129 15ms 25 May 2024 721st cubed-guy 582 129 16ms 9 Jun 2024 721st wuduculfre 582 129 12ms 22 Jul 2025 726th eiburns 581 126 9ms 28 Feb 2022 726th tomh1012 581 126 10ms 4 Mar 2022 726th Vaekor 581 126 9ms 28 Jul 2023 726th iczelia 🇩🇪 581 126 11ms 13 days ago 730th Phil-RGOMEGA 580 169 2ms 30 Aug 2023 731st dokutan 579 101 147ms 20 Sep 2024 732nd jared-hughes 577 69 38ms 10 Sep 2022 733rd CedricGebistorf 577 130 18ms 16 Mar 2022 734th Mabeloid 🇳🇴 576 170 3ms 29 Sep 2024 734th frosster 576 170 2ms 26 Mar 2025 736th Aurel300 🇨🇭 576 324 232ms 3 Jun 2024 737th Natanaelel 🇸🇪 573 131 15ms 14 Feb 2022 737th amollberg 🇸🇪 573 131 17ms 15 Feb 2022 737th BREMAUCY 🇫🇷 573 131 17ms 26 Jul 2023 737th vishwathg 573 131 17ms 25 Jul 2025 737th InigoK 🇺🇸 573 131 11ms 30 Aug 2025 742nd MeWhenI 🇻🇦 573 234 492ms 19 Aug 2022 743rd aliakseikalosha 573 238 384ms 16 Jul 2025 744th acollett89 572 128 10ms 4 Aug 2025 745th SirBogman 🇺🇸 571 116 576ms 16 Jan 2024 745th commandblockguy 🇺🇸 571 116 627ms 1 Sep 2025 747th emgordon154 570 143 9ms 23 Dec 2024 748th edsrzf 🇳🇿 569 70 41ms 4 Sep 2025 749th mikehanus 569 132 14ms 21 Nov 2023 749th logvp 569 132 17ms 28 Dec 2023 First Prev 676–750 of 1,113 Next Last