Collatz in C++ in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 74th erikji 795 112 370ms 4 Feb 2025 77th PurpleStripedUnicorn 788 113 58ms 3 Oct 2022 77th jtnuttall 788 113 58ms 4 Oct 2022 77th SiestaGuru 788 113 930ms 9 Jan 2023 77th dranjohn 788 113 374ms 17 Sep 2023 77th Bpc-CPU 788 113 70ms 11 Jul 2025 82nd Radwatch 781 114 56ms 22 Jun 2022 82nd Seek64 🇩🇪 781 114 51ms 10 Nov 2022 82nd fkantelberg 781 114 57ms 15 Jul 2023 82nd Ohh-n 781 114 56ms 9 Aug 2025 86th 0dyse 774 115 66ms 23 Apr 2025 87th nstearns96 🇬🇧 767 116 57ms 27 Oct 2022 87th NeatCrown 🇨🇦 767 116 70ms 14 Dec 2022 87th 08jne01 767 116 54ms 21 Nov 2024 90th heanyang1 761 117 64ms 20 Apr 2025 90th kmathis22 761 117 1,769ms 25 Sep 2025 92nd james-downey 754 118 59ms 9 Jul 2022 92nd kellantech 754 118 58ms 8 Aug 2023 92nd AsbestosSniffer 754 118 929ms 3 Dec 2023 92nd trinityy-7 754 118 52ms 7 Mar 2024 92nd Maximizer02 754 118 1,790ms 10 days ago 97th ldoodle 748 119 929ms 24 Aug 2022 97th Smetalo 748 119 933ms 25 Aug 2022 97th Pyro569 748 119 57ms 29 Jul 2023 100th AlexanderFair 742 120 920ms 21 Jun 2023 101st ronbaron 736 121 997ms 21 Feb 2023 101st Arkadios200 736 121 957ms 21 Sep 2025 103rd ComputerKWasTaken 🇺🇸 730 122 2,281ms 20 Jan 2025 103rd TheZwierzLF 🇵🇱 730 122 1,135ms 2 Jun 2025 105th galloj 🇨🇿 712 125 57ms 20 May 2023 105th msbranicky 712 125 57ms 20 Aug 2023 105th NormalDoctor 712 125 63ms 10 Jan 2024 105th noahgitsham 712 125 942ms 20 Jun 2024 109th GolfGPT 706 126 926ms 19 Nov 2023 109th OwenElliottDev 706 126 54ms 25 Jul 2024 111th STIXTheMachine 701 127 58ms 10 May 2022 112th aDwarfNamedUrist 690 129 930ms 21 Nov 2022 113th DragonaireM 685 130 924ms 6 Feb 2023 113th rethaliate 685 130 60ms 21 Sep 2024 115th sm1lko 679 131 940ms 7 Dec 2022 115th oofsamy 679 131 58ms 25 Jun 2023 117th ms-tingliang 674 132 70ms 5 Aug 2022 117th GWStuart 674 132 950ms 22 Dec 2022 119th wearsunscreen 669 133 56ms 19 Oct 2023 120th Santaclaus3dprints 664 134 898ms 10 Sep 2024 121st domi-s 659 135 948ms 9 Feb 2025 122nd Bodo171 645 138 60ms 10 Dec 2022 123rd strogor 636 140 923ms 13 Jun 2025 124th tik25 601 148 953ms 28 Mar 2024 124th jameswmccarty 601 148 59ms 24 Sep 2024 126th StronkCheese 🇺🇸 586 152 932ms 13 Mar 2023 127th Alex-Huggett 🇬🇧 582 153 957ms 14 Apr 2024 127th joseph-w0ng 582 153 936ms 5 Jul 2024 129th mathisfun271 571 156 59ms 19 Feb 2024 130th NotTooMuch 560 159 373ms 9 Dec 2022 131st MEarley 536 166 1,046ms 19 Sep 2023 132nd arealhero 478 186 56ms 3 Nov 2023 133rd george1605 449 198 59ms 8 Feb 2023 134th kevinnaviapaiva 428 208 932ms 6 Mar 2025 135th OiHarv 308 289 940ms 14 Dec 2024 136th ShinyHunter04 301 296 968ms 8 Apr 2025 137th meh-mf 224 397 948ms 4 May 2025 138th SamNew01 206 432 935ms 5 May 2025 139th CuboidRaptor 🇨🇦 204 436 916ms 28 Aug 2025 140th PxL801 193 462 930ms 5 May 2025 141st retrohun 21 4,269 955ms 27 Dec 2022 141st Mabeloid 🇳🇴 21 4,269 926ms 17 Sep 2024 143rd KatieLG 🇬🇧 21 4,281 934ms 23 Mar 2024 144th KatieLG-Transpiler 🇬🇧 21 4,304 962ms 24 Jun 2022 First Prev 76–144 of 144
