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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 526th daniel-pedersen 🇸🇪 712 103 10ms 6 Mar 2022 526th Heathcorp 🇦🇺 712 103 10ms 27 Apr 2022 526th FortuiteMan 🇫🇷 712 103 11ms 10 Oct 2024 526th SiBeepBoop 712 103 9ms 15 Apr 2025 530th stefangimmillaro 712 192 365ms 10 Oct 2023 531st albanian-laundromat 712 349 475ms 20 days ago 532nd JayXon 🇺🇸 711 56 38ms 23 Feb 2025 532nd pardouin 🇫🇷 711 56 80ms 12 Sep 2025 534th kg583 🇺🇸 711 145 6ms 9 Jun 2025 535th Shanethegamer 🇺🇸 710 138 2ms 12 Feb 2022 536th JohandeRuiter 🇳🇱 710 164 2ms 11 Feb 2025 537th weeble 709 138 6ms 18 Aug 2024 538th albanian-laundromat 706 103 1,986ms 25 Oct 2025 539th prplz 🇦🇺 706 165 2ms 14 Feb 2022 539th Szum123321 🇵🇱 706 165 2ms 29 Nov 2023 541st CaedenHarper 🇨🇦 706 259 289ms 6 days ago 542nd janbehrens 🇩🇪 705 104 13ms 14 Apr 2023 542nd m-tkach 🇺🇦 705 104 10ms 3 Jan 2025 542nd dokutan 705 104 10ms 15 Jun 2025 545th edsrzf 🇳🇿 705 184 1,377ms 29 Apr 2025 546th AlephSquirrel 702 37 4ms 3 Aug 2023 547th GrayJoKing 🇦🇺 702 60 1,012ms 8 May 2022 548th Alex-x90 🇺🇸 701 166 2ms 8 Feb 2023 549th stefangimmillaro 699 57 40ms 18 Feb 2022 549th tatzyr 🇯🇵 699 57 52ms 26 Feb 2025 551st JunkIce 699 95 466ms 3 Dec 2024 552nd stefangimmillaro 698 193 3,495ms 12 Nov 2024 553rd stefangimmillaro 698 262 264ms 5 May 2025 553rd edsrzf 🇳🇿 698 262 273ms 10 Jun 2025 555th Mandrzejy 🇵🇱 697 167 2ms 3 Nov 2024 556th Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 556th MeWhenI 🇻🇦 693 41 6ms 2 Mar 2025 558th ian-h-chamberlain 🇺🇸 692 270 193ms 13 days ago 559th lifthrasiir 🇰🇷 691 50 2ms 28 Nov 2024 560th KatieLG 🇬🇧 691 96 492ms 28 Oct 2024 561st KingSkyrock 🇺🇸 691 106 10ms 17 Mar 2022 562nd emgordon154 689 118 1,078ms 3 Dec 2024 563rd CaedenHarper 🇨🇦 689 231 363ms 5 Oct 2025 564th Ripick 688 186 342ms 24 Jun 2025 565th Shanethegamer 🇺🇸 686 58 38ms 13 Feb 2022 565th SirBogman 🇺🇸 686 58 59ms 10 Jan 2024 567th MathisBullinger 685 107 10ms 11 May 2022 567th CaedenHarper 🇨🇦 685 107 9ms 23 Aug 2025 569th edsrzf 🇳🇿 684 38 4ms 14 Oct 2025 570th nwellnhof 🇩🇪 683 110 201ms 24 May 2022 570th AlephSquirrel 683 110 202ms 29 May 2023 570th 5cw 🇺🇸 683 110 208ms 9 May 2024 570th Seek64 🇩🇪 683 110 259ms 13 Sep 2024 574th iakolzin 682 205 55ms 1 Jul 2022 575th revlayle 🇺🇸 680 201 327ms 9 Dec 2022 576th CatsAreFluffy 679 206 61ms 24 Feb 2023 577th janbehrens 🇩🇪 678 199 491ms 26 Mar 2022 578th roavin 677 202 325ms 30 Jun 2022 579th shinh 675 59 39ms 21 Jun 2022 580th 386asm 🇺🇸 675 222 51ms 5 May 2023 581st edsrzf 🇳🇿 673 124 4ms 6 Oct 2025 582nd Mikey-Beep 🇬🇧 673 203 331ms 2 Sep 2024 582nd tomh1012 673 203 337ms 5 Sep 2025 584th randolchance 672 109 11ms 4 Jan 2024 585th MeWhenI 🇻🇦 671 112 232ms 22 May 2024 586th MeWhenI 🇻🇦 670 146 8ms 13 Aug 2024 587th prestosilver 🇺🇸 669 174 1ms 8 days ago 588th Natanaelel 🇸🇪 668 86 37ms 29 Jan 2024 589th janbehrens 🇩🇪 667 6 68ms 25 Nov 2022 590th alemelis 666 101 710ms 26 Aug 2024 591st Shanethegamer 🇺🇸 665 61 6ms 13 Feb 2022 592nd xnor-gate 665 113 38ms 14 Feb 2022 593rd Garklein 🇨🇦 664 52 2ms 13 Feb 2022 593rd Natanaelel 🇸🇪 664 52 2ms 14 Jul 2023 593rd SirBogman 🇺🇸 664 52 3ms 6 Nov 2023 596th janbehrens 🇩🇪 663 206 331ms 26 Feb 2022 597th oeb25 663 282 206ms 16 May 2022 598th Shanethegamer 🇺🇸 661 122 11ms 12 Apr 2024 599th two-bad 🇬🇧 660 111 9ms 25 Feb 2024 600th billings7 🇬🇧 660 207 333ms 16 Apr 2022 First Prev 526–600 of 1,137 Next Last