Added a benchmark tool

Headers/Problem.hpp

@@ -7,7 +7,6 @@
 #ifndef PROBLEM_HPP
 #define PROBLEM_HPP
 
-
 #include <string>
 #include "Stopwatch.hpp"
 
@@ -35,8 +34,15 @@ public:
 	virtual std::string getTime(){
 		return timer.getStr();
 	}
+	virtual mee::Stopwatch getTimer(){
+		return timer;
+	}
 	virtual void solve() = 0;
 	virtual std::string getString() const = 0;
+	virtual void reset(){
+		timer.reset();
+		solved = false;
+	}
 };
 
 #endif //PROBLEM_HPP