Pernicious Numbers in C 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 NFA Simulator 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 NFA Simulator 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 75th bac0id 649 74 2ms 6 Jul 2024 77th rambox11 640 75 2ms 12 Mar 2019 77th madex 🇩🇪 640 75 2ms 30 Aug 2021 79th cmayer777 632 76 2ms 14 Oct 2022 79th c0d3-4-F00d 🇩🇪 632 76 2ms 6 Jun 2023 79th LorenzoDeGaspari 632 76 2ms 3 May 2024 82nd jtaxen 623 77 2ms 7 Apr 2024 82nd Jonatan6 🇩🇰 623 77 2ms 27 Apr 2024 84th neihousaigaai 615 78 2ms 27 Mar 2021 84th Heathcorp 🇦🇺 615 78 2ms 10 Apr 2022 84th test-user1337 615 78 2ms 29 Aug 2023 84th Lv0Sys 🇵🇱 615 78 2ms 1 Jun 2025 88th heypwesto 🇳🇿 608 79 2ms 21 Apr 2021 88th Spruill-1 608 79 2ms 12 Sep 2021 90th ibexq 600 80 2ms 30 Sep 2022 91st TeodorDyakov 🇧🇬 593 81 2ms 26 Feb 2025 92nd Re-Adventures 🇮🇳 585 82 2ms 8 Nov 2021 92nd mttcrn 585 82 2ms 21 Mar 2025 94th DrPiranoid 578 83 2ms 7 Oct 2022 94th trist224 🇫🇷 578 83 2ms 14 Dec 2022 94th CatsAreFluffy 578 83 2ms 6 Mar 2023 94th nyoshe 578 83 2ms 19 Sep 2023 98th alexjlaberge 571 84 2ms 19 Sep 2019 99th Luca2812 565 85 2ms 5 Mar 2024 100th HumanoidCPU 558 86 2ms 12 May 2024 101st Alesun 🇮🇹 527 91 2ms 14 Oct 2019 102nd aksyristos 516 93 2ms 28 Oct 2022 103rd msbranicky 505 95 2ms 28 Aug 2023 104th Maashau 495 97 2ms 3 days ago 105th warmCabin 485 99 2ms 13 Nov 2023 106th AkashTandon167 480 100 2ms 12 Nov 2019 107th RealAMC 🇳🇿 466 103 2ms 15 Nov 2023 108th AIn0n 457 105 2ms 15 Jul 2021 109th jngbsn 444 108 2ms 2 Mar 2019 110th ramytarchichy 432 111 2ms 23 Jun 2019 111th hjcafaroUC 414 116 2ms 7 Aug 2020 111th tegenton 414 116 2ms 14 Oct 2021 111th Haksell 🇦🇶 414 116 2ms 28 Feb 2023 111th Mabeloid 🇳🇴 414 116 2ms 3 Oct 2024 115th isaiah0311 410 117 915ms 16 Feb 2023 116th SirObby 🇫🇮 407 118 1ms 18 Oct 2025 117th generot 🇧🇬 400 120 2ms 3 Jul 2020 118th aDwarfNamedUrist 384 125 2ms 11 Jan 2024 119th osmith93 378 127 2ms 12 Dec 2020 120th aubergine-sauce 364 132 2ms 26 May 2023 120th MasFlam 364 132 2ms 21 Jun 2024 122nd Giantnoodlemonster 333 144 2ms 10 Nov 2024 123rd AlexOgn 327 147 2ms 3 Jul 2020 123rd dillon-duncando 327 147 2ms 24 Dec 2021 125th KatieLG 🇬🇧 316 152 2ms 1 Dec 2020 125th mokymok 🇺🇸 316 152 2ms 11 Nov 2021 125th 0xV0RT3X 316 152 2ms 5 Mar 2024 128th KatieLG-Transpiler 🇬🇧 312 154 2ms 23 Jun 2022 129th zt14427 281 171 2ms 12 Aug 2023 130th ElevatorShaft 250 192 2ms 15 Jan 2020 131st kevinnaviapaiva 155 310 2ms 24 Feb 2025 132nd milliorn 129 371 2ms 17 Mar 2020 133rd tanguysegarra 59 818 2ms 8 Jun 2019 First Prev 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