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 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 Bytes Time Submitted 1st Mukundan314 1,000 95 23ms 10 Jul 2025 2nd 4atj 960 99 29ms 21 Jul 2025 3rd kg583 🇺🇸 950 100 34ms 10 Jul 2025 4th nwellnhof 🇩🇪 941 101 1,069ms 15 Aug 2025 5th m-tkach 🇺🇦 931 102 666ms 12 Jul 2025 6th lukegustafson 🇺🇸 913 104 101ms 20 Jul 2025 7th pardouin 🇫🇷 880 108 82ms 13 Jul 2025 7th bizy-coder 880 108 104ms 25 Jul 2025 7th zacjl 880 108 110ms 26 Jul 2025 10th Seek64 🇩🇪 864 110 73ms 30 Jul 2025 11th GolfingSuccess 🇬🇷 856 111 28ms 11 Jul 2025 12th 5cw 🇺🇸 848 112 231ms 7 Aug 2025 13th ovs-code 🇩🇪 841 113 104ms 10 Jul 2025 13th edsrzf 🇳🇿 841 113 28ms 30 Dec 2025 15th sean-niemann 🇺🇸 826 115 66ms 2 days ago 15th Steffan153 🇫🇮 826 115 68ms 3 hours ago 17th duckyluuk 🇳🇱 819 116 642ms 31 Jul 2025 18th Shanethegamer 🇺🇸 785 121 132ms 11 Jul 2025 18th SirBogman 🇺🇸 785 121 62ms 30 Jul 2025 20th inventshah 779 122 17ms 4 Aug 2025 20th ryyyn 🇺🇸 779 122 17ms 5 Nov 2025 20th KasperKivimaeki 🇫🇮 779 122 177ms 26 Nov 2025 20th Emutis 🇱🇹 779 122 16ms 12 Dec 2025 20th blaztoma 🇱🇹 779 122 16ms 12 Dec 2025 25th AlephSquirrel 772 123 22ms 10 Jul 2025 25th commandz0 🇺🇸 772 123 39ms 11 Jul 2025 25th hallvabo 🇳🇴 772 123 18ms 23 Jul 2025 25th bzijlema 🇳🇱 772 123 17ms 6 Aug 2025 25th 051 🇸🇬 772 123 125ms 8 Jan 2026 30th snoozingnewt 🇨🇦 766 124 62ms 30 Dec 2025 31st bricknellj 754 126 21ms 14 Jul 2025 32nd albanian-laundromat 748 127 24ms 10 Jul 2025 32nd ndren 748 127 63ms 3 Aug 2025 34th Natanaelel 🇸🇪 742 128 131ms 21 Jul 2025 35th MeWhenI 🇻🇦 736 129 32ms 12 Jul 2025 35th BREMAUCY 🇫🇷 736 129 47ms 6 Aug 2025 37th davecame 731 130 21ms 9 Aug 2025 37th RYNO8 731 130 86ms 6 Oct 2025 39th CornerMercury 🇬🇧 720 132 16ms 3 Nov 2025 39th emgordon154 720 132 161ms 18 Nov 2025 41st ahmetdemirag 🇨🇾 709 134 39ms 10 Aug 2025 41st btjones0 709 134 16ms 8 Sep 2025 43rd plcc0 704 135 19ms 4 Aug 2025 44th annaproxy 693 137 20ms 5 Sep 2025 44th FortuiteMan 🇫🇷 693 137 19ms 25 Nov 2025 46th andrewjc2000 679 140 17ms 2 Aug 2025 46th hiichbindermax 679 140 18ms 4 Aug 2025 48th CaedenHarper 🇨🇦 664 143 17ms 3 Oct 2025 49th InigoK 🇺🇸 651 146 15ms 3 Sep 2025 49th scpchicken 🇵🇼 651 146 17ms 23 days ago 51st KatieLG 🇬🇧 642 148 56ms 7 Jan 2026 52nd YAJUE114514 629 151 17ms 1 Aug 2025 52nd vgamula 🇺🇦 629 151 21ms 4 Aug 2025 52nd anter69 🇭🇺 629 151 38ms 27 Aug 2025 55th alemelis 601 158 18ms 2 Aug 2025 55th dirckvdende 601 158 19ms 4 Aug 2025 55th cros107 🇦🇺 601 158 15ms 12 Aug 2025 58th FEZfan 🇦🇺 594 160 32ms 11 Jul 2025 59th jatloe 586 162 17ms 1 Sep 2025 60th shelerr 583 163 1,637ms 21 Aug 2025 61st moustave 562 169 29ms 19 Aug 2025 62nd Lv0Sys 🇵🇱 556 171 14ms 24 Dec 2025 63rd yjgnaw 546 174 25ms 24 Jul 2025 64th qpwoeirut 543 175 34ms 2 Aug 2025 65th jacekwladzinski 522 182 18ms 7 Oct 2025 66th RaBa21 🇭🇺 516 184 18ms 3 Aug 2025 66th Mikey-Beep 🇬🇧 516 184 29ms 6 Aug 2025 68th Artemis21 🇬🇧 508 187 94ms 6 Dec 2025 69th OllieBoyne 🇬🇧 475 200 16ms 11 Dec 2025 70th madex 🇩🇪 470 202 22ms 23 days ago 71st guilhem-roy 🇫🇷 468 203 17ms 22 Nov 2025 72nd Bulmenisaurus 457 208 114ms 26 Oct 2025 73rd klixel 🇨🇦 455 209 19ms 26 days ago 74th RobertBurs 448 212 17ms 24 Sep 2025 75th CatsAreFluffy 434 219 22ms 30 Oct 2025 76th SB-945 428 222 20ms 1 Aug 2025 77th FlorianCassayre 🇫🇷 401 237 16ms 5 Aug 2025 77th mbittner20 401 237 14ms 18 Aug 2025 77th HumanoidCPU 401 237 23ms 12 Jan 2026 80th DialFrost 🇸🇬 383 248 17ms 10 Jul 2025 1–80 of 94 Next Last