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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st Mukundan314 1,000 73 23ms 10 Jul 2025 2nd kg583 🇺🇸 973 75 38ms 10 Jul 2025 3rd pardouin 🇫🇷 924 79 84ms 3 Aug 2025 4th sean-niemann 🇺🇸 880 83 91ms 8 Feb 2026 4th Steffan153 🇫🇮 880 83 73ms 21 Feb 2026 6th hallvabo 🇳🇴 839 87 19ms 2 Sep 2025 6th snoozingnewt 🇨🇦 839 87 61ms 30 Dec 2025 8th albanian-laundromat 🇺🇸 820 89 24ms 10 Jul 2025 8th ndren 820 89 56ms 3 Aug 2025 8th CornerMercury 🇬🇧 820 89 18ms 27 days ago 11th plcc0 785 93 18ms 4 Aug 2025 12th 4atj 737 99 32ms 21 Jul 2025 12th KatieLG 🇬🇧 737 99 59ms 7 Jan 2026 14th nwellnhof 🇩🇪 723 101 789ms 15 Aug 2025 14th anter69 🇭🇺 723 101 39ms 29 Aug 2025 16th m-tkach 🇺🇦 716 102 645ms 12 Jul 2025 17th lukegustafson 🇺🇸 702 104 88ms 20 Jul 2025 18th FEZfan 🇦🇺 695 105 39ms 12 Jul 2025 19th bizy-coder 676 108 114ms 25 Jul 2025 19th zacjl 676 108 97ms 26 Jul 2025 21st Seek64 🇩🇪 664 110 65ms 30 Jul 2025 22nd GolfingSuccess 🇬🇷 658 111 30ms 11 Jul 2025 22nd blaztoma 🇱🇹 658 111 26ms 23 days ago 24th yjgnaw 652 112 18ms 24 Jul 2025 24th 5cw 🇺🇸 652 112 249ms 7 Aug 2025 26th ovs-code 🇩🇪 646 113 107ms 10 Jul 2025 26th edsrzf 🇳🇿 646 113 33ms 30 Dec 2025 28th duckyluuk 🇳🇱 629 116 617ms 31 Jul 2025 29th RaBa21 🇭🇺 624 117 17ms 11 Aug 2025 30th Shanethegamer 🇺🇸 603 121 136ms 11 Jul 2025 30th SirBogman 🇺🇸 603 121 60ms 30 Jul 2025 32nd inventshah 598 122 17ms 4 Aug 2025 32nd ryyyn 🇺🇸 598 122 18ms 5 Nov 2025 32nd KasperKivimaeki 🇫🇮 598 122 198ms 26 Nov 2025 32nd Emutis 🇱🇹 598 122 17ms 12 Dec 2025 36th AlephSquirrel 593 123 21ms 10 Jul 2025 36th commandz0 🇺🇸 593 123 38ms 11 Jul 2025 36th bzijlema 🇳🇱 593 123 18ms 6 Aug 2025 36th 051 🇸🇬 593 123 121ms 8 Jan 2026 40th bricknellj 579 126 23ms 14 Jul 2025 41st Natanaelel 🇸🇪 570 128 124ms 21 Jul 2025 42nd MeWhenI 🇻🇦 566 129 33ms 12 Jul 2025 42nd BREMAUCY 🇫🇷 566 129 52ms 6 Aug 2025 44th davecame 562 130 21ms 9 Aug 2025 44th RYNO8 562 130 93ms 6 Oct 2025 46th aksyristos 557 131 43ms 15 days ago 47th emgordon154 553 132 152ms 18 Nov 2025 47th Flekay 🇩🇪 553 132 20ms 5 Mar 2026 47th jusaka 553 132 19ms 9 days ago 50th ahmetdemirag 🇨🇾 545 134 42ms 10 Aug 2025 50th btjones0 545 134 17ms 8 Sep 2025 50th StefanHabel 🇨🇦 545 134 28ms 22 Feb 2026 53rd SB-945 537 136 17ms 1 Aug 2025 53rd madex 🇩🇪 537 136 21ms 2 days ago 55th annaproxy 533 137 20ms 5 Sep 2025 55th FortuiteMan 🇫🇷 533 137 25ms 25 Nov 2025 55th Lv0Sys 🇵🇱 533 137 29ms 21 Feb 2026 58th Googolplexo 🇷🇺 525 139 17ms 14 days ago 59th andrewjc2000 521 140 18ms 2 Aug 2025 59th hiichbindermax 521 140 17ms 4 Aug 2025 61st CaedenHarper 🇨🇦 510 143 18ms 3 Oct 2025 61st scpchicken 🇵🇼 510 143 37ms 15 hours ago 63rd HumanoidCPU 507 144 24ms 12 Jan 2026 64th InigoK 🇺🇸 500 146 16ms 3 Sep 2025 65th YAJUE114514 483 151 17ms 1 Aug 2025 65th vgamula 🇺🇦 483 151 16ms 4 Aug 2025 67th dokutan 465 157 15ms 28 Aug 2025 68th alemelis 462 158 17ms 2 Aug 2025 68th dirckvdende 462 158 18ms 4 Aug 2025 68th cros107 🇦🇺 462 158 16ms 12 Aug 2025 71st jatloe 451 162 18ms 1 Sep 2025 72nd shelerr 448 163 1,620ms 21 Aug 2025 73rd moustave 432 169 40ms 19 Aug 2025 74th qpwoeirut 417 175 34ms 2 Aug 2025 75th jacekwladzinski 401 182 19ms 7 Oct 2025 76th luuumine 🇫🇷 399 183 18ms 21 Oct 2025 77th Mikey-Beep 🇬🇧 397 184 33ms 6 Aug 2025 78th Artemis21 🇬🇧 390 187 82ms 6 Dec 2025 79th robin-scragg 386 189 17ms 13 Nov 2025 80th OllieBoyne 🇬🇧 365 200 15ms 11 Dec 2025 1–80 of 99 Next Last