Topological Sort in Python 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 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 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 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 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 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 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 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 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 1st Mukundan314 1,000 73 21ms 10 Jul 2025 2nd kg583 🇺🇸 973 75 35ms 10 Jul 2025 3rd pardouin 🇫🇷 924 79 80ms 3 Aug 2025 4th hallvabo 🇳🇴 839 87 17ms 2 Sep 2025 5th albanian-laundromat 820 89 26ms 10 Jul 2025 5th ndren 820 89 65ms 3 Aug 2025 5th snoozingnewt 🇨🇦 820 89 48ms 2 days ago 8th CornerMercury 🇬🇧 802 91 16ms 4 Nov 2025 9th plcc0 785 93 16ms 4 Aug 2025 10th sean-niemann 🇺🇸 760 96 46ms 11 days ago 11th 4atj 737 99 34ms 21 Jul 2025 12th KatieLG 🇬🇧 730 100 71ms 2 Oct 2025 13th nwellnhof 🇩🇪 723 101 1,160ms 15 Aug 2025 13th anter69 🇭🇺 723 101 49ms 29 Aug 2025 15th m-tkach 🇺🇦 716 102 650ms 12 Jul 2025 16th lukegustafson 🇺🇸 702 104 97ms 20 Jul 2025 17th FEZfan 🇦🇺 695 105 28ms 12 Jul 2025 18th bizy-coder 676 108 107ms 25 Jul 2025 18th zacjl 676 108 95ms 26 Jul 2025 20th Seek64 🇩🇪 664 110 74ms 30 Jul 2025 21st GolfingSuccess 🇬🇷 658 111 26ms 11 Jul 2025 22nd yjgnaw 652 112 17ms 24 Jul 2025 22nd 5cw 🇺🇸 652 112 255ms 7 Aug 2025 24th ovs-code 🇩🇪 646 113 110ms 10 Jul 2025 25th duckyluuk 🇳🇱 629 116 654ms 31 Jul 2025 26th RaBa21 🇭🇺 624 117 16ms 11 Aug 2025 27th edsrzf 🇳🇿 613 119 30ms 16 Aug 2025 28th Shanethegamer 🇺🇸 603 121 135ms 11 Jul 2025 28th SirBogman 🇺🇸 603 121 73ms 30 Jul 2025 30th inventshah 598 122 16ms 4 Aug 2025 30th ryyyn 🇺🇸 598 122 19ms 5 Nov 2025 30th KasperKivimaeki 🇫🇮 598 122 209ms 19 days ago 30th Emutis 🇱🇹 598 122 15ms 3 days ago 30th blaztoma 🇱🇹 598 122 15ms 3 days ago 35th AlephSquirrel 593 123 19ms 10 Jul 2025 35th commandblockguy 🇺🇸 593 123 34ms 11 Jul 2025 35th bzijlema 🇳🇱 593 123 18ms 6 Aug 2025 38th bricknellj 579 126 19ms 14 Jul 2025 39th Natanaelel 🇸🇪 570 128 117ms 21 Jul 2025 40th MeWhenI 🇻🇦 566 129 33ms 12 Jul 2025 40th BREMAUCY 🇫🇷 566 129 51ms 6 Aug 2025 42nd davecame 562 130 20ms 9 Aug 2025 42nd RYNO8 562 130 90ms 6 Oct 2025 44th emgordon154 553 132 153ms 27 days ago 45th ahmetdemirag 🇨🇾 545 134 40ms 10 Aug 2025 45th btjones0 545 134 16ms 8 Sep 2025 47th SB-945 537 136 17ms 1 Aug 2025 48th annaproxy 533 137 18ms 5 Sep 2025 48th FortuiteMan 🇫🇷 533 137 18ms 21 days ago 50th andrewjc2000 521 140 17ms 2 Aug 2025 50th hiichbindermax 521 140 16ms 4 Aug 2025 52nd CaedenHarper 🇨🇦 510 143 17ms 3 Oct 2025 53rd HumanoidCPU 503 145 22ms 26 Jul 2025 54th InigoK 🇺🇸 500 146 16ms 3 Sep 2025 55th YAJUE114514 483 151 15ms 1 Aug 2025 55th vgamula 🇺🇦 483 151 17ms 4 Aug 2025 57th dokutan 465 157 14ms 28 Aug 2025 58th alemelis 462 158 16ms 2 Aug 2025 58th dirckvdende 462 158 17ms 4 Aug 2025 58th cros107 🇦🇺 462 158 17ms 12 Aug 2025 61st jatloe 451 162 15ms 1 Sep 2025 62nd shelerr 448 163 1,535ms 21 Aug 2025 63rd moustave 432 169 29ms 19 Aug 2025 64th Lv0Sys 🇵🇱 422 173 14ms 4 days ago 65th qpwoeirut 417 175 38ms 2 Aug 2025 66th jacekwladzinski 401 182 25ms 7 Oct 2025 67th luuumine 🇫🇷 399 183 21ms 21 Oct 2025 68th Mikey-Beep 🇬🇧 397 184 26ms 6 Aug 2025 69th Artemis21 🇬🇧 390 187 72ms 9 days ago 70th robin-scragg 386 189 22ms 13 Nov 2025 71st OllieBoyne 🇬🇧 365 200 15ms 4 days ago 72nd guilhem-roy 🇫🇷 360 203 18ms 23 days ago 73rd Bulmenisaurus 351 208 126ms 26 Oct 2025 74th RobertBurs 344 212 19ms 24 Sep 2025 74th klixel 🇨🇦 344 212 103ms 25 Oct 2025 1–75 of 92 Next Last