Updated to work with the new libraries

headers/Problems/Problem13.hpp

@@ -1,7 +1,7 @@
 //ProjectEuler/ProjectEulerCPP/headers/Problems/Problem13.hpp
 //Matthew Ellison
 // Created: 09-29-18
-//Modified: 08-28-20
+//Modified: 07-02-21
 //Work out the first ten digits of the sum of the following one-hundred 50-digit numbers
 /*
 37107287533902102798797998220837590246510135740250
@@ -110,7 +110,7 @@
 //You can find more information about them at https://gmplib.org/
 //When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
 /*
-	Copyright (C) 2020  Matthew Ellison
+	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
@@ -125,15 +125,13 @@
 	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 PROBLEM13_HPP
 #define PROBLEM13_HPP
 
 
-#include <cinttypes>
 #include <vector>
 #include <string>
-#include "gmpxx.h"	//This is part of the gmp library
+#include <gmpxx.h>
 #include "Problem.hpp"
 
 
@@ -154,7 +152,7 @@ public:
 	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 with the solution to the problem
+	virtual std::string getResult() const;	//Return a string with the solution to the problem
 	std::vector<mpz_class> getNumbers() const;	//Returns the list 50-digit numbers
 	mpz_class getSum() const;	//Returns the sum of the 50-digit numbers
 };
@@ -166,4 +164,5 @@ The first 10 digits of the sum of the numbers is 5537376230
 It took an average of 13.270 microseconds to run this problem over 100 iterations
 */
 
-#endif //PROBLEM13_HPP
+
+#endif	//PROBLEM13_HPP