Added solution to problem 34

headers/ProblemSelection.hpp

@@ -59,6 +59,7 @@
 #include "Problems/Problem31.hpp"
 #include "Problems/Problem32.hpp"
 #include "Problems/Problem33.hpp"
+#include "Problems/Problem34.hpp"
 #include "Problems/Problem67.hpp"
 
 
@@ -66,7 +67,7 @@
 std::vector<unsigned int> PROBLEM_NUMBERS = {0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10,
 												11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
 												21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
-												31, 32, 33, 67};
+												31, 32, 33, 34, 67};
 
 //This function returns a pointer to a problem of type number
 Problem* getProblem(unsigned int problemNumber){
@@ -107,6 +108,7 @@ Problem* getProblem(unsigned int problemNumber){
 		case 31 : problem = new Problem31; break;
 		case 32 : problem = new Problem32; break;
 		case 33 : problem = new Problem33; break;
+		case 34 : problem = new Problem34; break;
 		case 67 : problem = new Problem67; break;
 	}
 

headers/Problems/Problem34.hpp

@@ -0,0 +1,58 @@
+//ProjectEuler/ProjectEulerCPP/headers/Problems/Problem34.hpp
+//Matthew Ellison
+// Created: 06-01-21
+//Modified: 06-01-21
+//Find the sum of all numbers which are equal to the sum of the factorial of their digits
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
+/*
+	Copyright (C) 2021  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 <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef PROBLEM34_HPP
+#define PROBLEM34_HPP
+
+
+#include <string>
+#include <vector>
+#include "Problem.hpp"
+
+
+class Problem34 : public Problem{
+private:
+	//Variables
+	//Static variables
+	static int MAX_NUM;	//The largest num that can be the sum of its own digits
+	//Instance variables
+	std::vector<int> factorials;	//Holds the pre-computed factorials of the numbers 0-9
+	int sum;	//Holds the sum of all numbers equal to the sum of their digit's factorials
+public:
+	//Constructor
+	Problem34();
+	//Operational functions
+	virtual void solve();	//Solve the problem
+	virtual void reset();	//Reset the problem so it can be run again
+	//Gets
+	virtual std::string getResult();	//Return a string witht he solution to the problem
+	std::vector<int> getFactorials();	//Returns the list of factorials from 0-9
+	int getSum();	//Returns the sum of all numbers equal to the sum of their digit's factorials
+};
+
+/* Results:
+The sum of all numbers that are the sum of their digit's factorials is 40730
+It took an average of 15.181 milliseconds to run this problem over 100 iterations
+*/
+
+#endif //PROBLEM34_HPP