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Updated comments and made sure style was consistent
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@@ -1,7 +1,7 @@
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//ProjectEuler/C++/Headers/Problem14.hpp
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//ProjectEuler/ProjectEulerCPP/Headers/Problem14.hpp
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//Matthew Ellison
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// Created: 09-29-18
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//Modified: 07-14-19
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//Modified: 07-09-20
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/*
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The following iterative sequence is defined for the set of positive integers:
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n → n/2 (n is even)
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@@ -10,7 +10,7 @@ Which starting number, under one million, produces the longest chain?
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*/
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//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
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/*
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Copyright (C) 2019 Matthew Ellison
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Copyright (C) 2020 Matthew Ellison
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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@@ -37,25 +37,30 @@ Which starting number, under one million, produces the longest chain?
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class Problem14 : public Problem{
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private:
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//This function follows the rules of the sequence and returns its length
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uint64_t checkSeries(uint64_t num);
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//Variables
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//Static variables
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static uint64_t MAX_NUM; //This is the top number that you will be checking against the series
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//Instance variables
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uint64_t maxLength; //This is the length of the longest chain
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uint64_t maxNum; //This is the starting number of the longest chain
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//Function
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uint64_t checkSeries(uint64_t num); //This function follows the rules of the sequence and returns its length
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public:
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//Constructor
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Problem14();
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virtual void solve();
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virtual std::string getString() const;
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virtual void reset();
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//Returns the length of the requested chain
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uint64_t getLength() const;
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//Returns the starting number of the requested chain
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uint64_t getStartingNumber() const;
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//Operational functions
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virtual void solve(); //Solve the problem
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virtual void reset(); //Reset the problem so it can be run again
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//Gets
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virtual std::string getString() const; //Return a string with the solution to the problem
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uint64_t getLength() const; //Returns the length of the requested chain
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uint64_t getStartingNumber() const; //Returns the starting number of the requested chain
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};
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/* Results:
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The number 837799 produced a chain of 525 steps
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It took 153.999 milliseconds to solve this problem.
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It took an average of 197.008 milliseconds to run this problem over 100 iterations
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*/
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#endif //PROBLEM14_HPP
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