//ProjectEuler/C++/Headers/Problem6.hpp //Matthew Ellison // Created: 09-28-18 //Modified: 07-14-19 //Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum. //Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses /* Copyright (C) 2019 Matthew Ellison This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ #ifndef PROBLEM6_HPP #define PROBLEM6_HPP #include #include #include "Problem.hpp" class Problem6 : public Problem{ private: static int START_NUM; static int END_NUM; uint64_t sumOfSquares; //Holds the sum of the squares of all the numbers uint64_t squareOfSum; //Holds the square of the sum of all the numbers public: Problem6(); virtual void solve(); virtual std::string getString() const; virtual void reset(); //Returns the sum of all the squares uint64_t getSumOfSquares() const; //Returns the square of all of the sums uint64_t getSquareOfSum() const; //Returns the requested difference uint64_t getDifference() const; }; /* Result The difference between the sum of the squares and the square of the sum of all numbers from 1-100 is 25164150 It took 1.000 microseconds to solve this problem. */ #endif //PROBLEM6_HPP