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Updated comments and made sure style was consistent
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@@ -1,11 +1,11 @@
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//ProjectEuler/C++/Source/Problem10.cpp
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//ProjectEuler/ProjectEulerCPP/Source/Problem10.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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//Modified: 07-09-20
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//Find the sum of all the primes below two million
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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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@@ -31,11 +31,13 @@
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#include "../Headers/Problem10.hpp"
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uint64_t Problem10::GOAL_NUMBER = 2000000;
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uint64_t Problem10::GOAL_NUMBER = 2000000 - 1; //2,000,000 - 1 because is needs to be < instead of <=
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//Constructor
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Problem10::Problem10() : Problem("Find the sum of all the primes below two million"), sum(0){
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}
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//Solve
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void Problem10::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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@@ -44,8 +46,8 @@ void Problem10::solve(){
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//Start the timer
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timer.start();
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//Get the sum of all prime numbers < GOAL_NUMBER
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sum = mee::getSum(mee::getPrimes(GOAL_NUMBER - 1)); //Subtract 1 because it is supposed to be < 2000000
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//Get the sum of all prime numbers <= GOAL_NUMBER
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sum = mee::getSum(mee::getPrimes(GOAL_NUMBER));
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//Stop the timer
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timer.stop();
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@@ -54,16 +56,24 @@ void Problem10::solve(){
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solved = true;
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}
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//Reset the rpoblem so it can be run agian
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void Problem10::reset(){
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Problem::reset();
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sum = 0;
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}
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//Return a string with the solution to the problem
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std::string Problem10::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 sum of all the primes less than " << GOAL_NUMBER << " is " << sum;
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results << "The sum of all the primes less than " << GOAL_NUMBER + 1 << " is " << sum;
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return results.str();
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}
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//Returns the sum that was requested
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uint64_t Problem10::getSum() 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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@@ -71,8 +81,3 @@ uint64_t Problem10::getSum() const{
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}
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return sum;
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}
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void Problem10::reset(){
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Problem::reset();
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sum = 0;
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}
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