Topological Sort in Python in bytes. 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 Bytes Time Submitted 1st Mukundan314 1,000 95 20ms 10 Jul 2025 2nd 4atj 960 99 34ms 21 Jul 2025 3rd kg583 🇺🇸 950 100 33ms 10 Jul 2025 4th nwellnhof 🇩🇪 941 101 1,160ms 15 Aug 2025 5th m-tkach 🇺🇦 931 102 650ms 12 Jul 2025 6th lukegustafson 🇺🇸 913 104 97ms 20 Jul 2025 7th pardouin 🇫🇷 880 108 83ms 13 Jul 2025 7th bizy-coder 880 108 107ms 25 Jul 2025 7th zacjl 880 108 95ms 26 Jul 2025 10th Seek64 🇩🇪 864 110 74ms 30 Jul 2025 11th GolfingSuccess 🇬🇷 856 111 26ms 11 Jul 2025 12th 5cw 🇺🇸 848 112 255ms 7 Aug 2025 13th ovs-code 🇩🇪 841 113 110ms 10 Jul 2025 14th duckyluuk 🇳🇱 819 116 654ms 31 Jul 2025 15th edsrzf 🇳🇿 798 119 30ms 16 Aug 2025 16th Shanethegamer 🇺🇸 785 121 135ms 11 Jul 2025 16th SirBogman 🇺🇸 785 121 73ms 30 Jul 2025 18th inventshah 779 122 16ms 4 Aug 2025 18th ryyyn 🇺🇸 779 122 19ms 5 Nov 2025 18th KasperKivimaeki 🇫🇮 779 122 209ms 18 days ago 18th Emutis 🇱🇹 779 122 15ms 2 days ago 18th blaztoma 🇱🇹 779 122 15ms 2 days ago 23rd AlephSquirrel 772 123 19ms 10 Jul 2025 23rd commandblockguy 🇺🇸 772 123 34ms 11 Jul 2025 23rd hallvabo 🇳🇴 772 123 16ms 23 Jul 2025 23rd bzijlema 🇳🇱 772 123 18ms 6 Aug 2025 27th bricknellj 754 126 19ms 14 Jul 2025 28th albanian-laundromat 748 127 31ms 10 Jul 2025 28th ndren 748 127 61ms 3 Aug 2025 30th Natanaelel 🇸🇪 742 128 117ms 21 Jul 2025 30th snoozingnewt 🇨🇦 742 128 46ms 40 hours ago 32nd MeWhenI 🇻🇦 736 129 33ms 12 Jul 2025 32nd BREMAUCY 🇫🇷 736 129 51ms 6 Aug 2025 34th davecame 731 130 20ms 9 Aug 2025 34th RYNO8 731 130 90ms 6 Oct 2025 36th CornerMercury 🇬🇧 720 132 16ms 3 Nov 2025 36th emgordon154 720 132 153ms 26 days ago 38th ahmetdemirag 🇨🇾 709 134 40ms 10 Aug 2025 38th btjones0 709 134 16ms 8 Sep 2025 40th plcc0 704 135 16ms 4 Aug 2025 41st annaproxy 693 137 18ms 5 Sep 2025 41st FortuiteMan 🇫🇷 693 137 18ms 20 days ago 43rd andrewjc2000 679 140 17ms 2 Aug 2025 43rd hiichbindermax 679 140 16ms 4 Aug 2025 45th sean-niemann 🇺🇸 669 142 43ms 10 days ago 46th CaedenHarper 🇨🇦 664 143 17ms 3 Oct 2025 47th InigoK 🇺🇸 651 146 16ms 3 Sep 2025 48th KatieLG 🇬🇧 638 149 70ms 22 Sep 2025 49th YAJUE114514 629 151 15ms 1 Aug 2025 49th vgamula 🇺🇦 629 151 17ms 4 Aug 2025 49th anter69 🇭🇺 629 151 44ms 27 Aug 2025 52nd alemelis 601 158 16ms 2 Aug 2025 52nd dirckvdende 601 158 17ms 4 Aug 2025 52nd cros107 🇦🇺 601 158 17ms 12 Aug 2025 55th FEZfan 🇦🇺 594 160 29ms 11 Jul 2025 56th jatloe 586 162 15ms 1 Sep 2025 57th shelerr 583 163 1,535ms 21 Aug 2025 58th moustave 562 169 29ms 19 Aug 2025 59th Lv0Sys 🇵🇱 549 173 14ms 3 days ago 60th yjgnaw 546 174 16ms 24 Jul 2025 61st qpwoeirut 543 175 38ms 2 Aug 2025 62nd jacekwladzinski 522 182 25ms 7 Oct 2025 63rd RaBa21 🇭🇺 516 184 20ms 3 Aug 2025 63rd Mikey-Beep 🇬🇧 516 184 26ms 6 Aug 2025 65th Artemis21 🇬🇧 508 187 72ms 8 days ago 66th OllieBoyne 🇬🇧 475 200 15ms 3 days ago 67th guilhem-roy 🇫🇷 468 203 18ms 22 days ago 68th Bulmenisaurus 457 208 126ms 26 Oct 2025 69th RobertBurs 448 212 19ms 24 Sep 2025 69th klixel 🇨🇦 448 212 103ms 25 Oct 2025 71st CatsAreFluffy 434 219 21ms 30 Oct 2025 72nd SB-945 428 222 20ms 1 Aug 2025 73rd FlorianCassayre 🇫🇷 401 237 15ms 5 Aug 2025 73rd mbittner20 401 237 15ms 18 Aug 2025 75th HumanoidCPU 396 240 21ms 26 Jul 2025 1–75 of 92 Next Last