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Source/Problem7.cpp
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Source/Problem7.cpp
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//ProjectEuler/C++/Source/Problem7.cpp
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//Matthew Ellison
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// Created: 09-28-18
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//Modified: 07-14-19
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//What is the 10001th prime number?
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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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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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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <vector>
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#include <cinttypes>
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#include <string>
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#include <sstream>
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#include "Stopwatch.hpp"
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#include "Algorithms.hpp"
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#include "../Headers/Problem.hpp"
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#include "../Headers/Problem7.hpp"
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uint64_t Problem7::NUMBER_OF_PRIMES = 10001;
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Problem7::Problem7() : Problem("What is the 10001th prime number?"){
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}
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void Problem7::solve(){
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//If the problem has already been solved do nothing and end the function
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if(solved){
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return;
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}
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//Start the timer
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timer.start();
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//Get the correct number of prime numbers
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primes = mee::getNumPrimes(NUMBER_OF_PRIMES);
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//Stop the timer
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timer.stop();
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//Throw a flag to show the problem is solved
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solved = true;
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}
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std::string Problem7::getString() const{
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//If the problem hasn't been solved throw an exception
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if(!solved){
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throw unsolved();
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}
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std::stringstream results;
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results << "The " << NUMBER_OF_PRIMES << "th prime number is " << primes.at(primes.size() - 1);
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return results.str();
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}
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uint64_t Problem7::getPrime() const{
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//If the problem hasn't been solved throw an exception
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if(!solved){
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throw unsolved();
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}
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return *primes.end();
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}
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