#include <iostream>
using namespace std;

class Summarizer
{
	float upperLimit;
	float incr;

public:
	Summarizer(float sumUpToThisNumber = 0.0F, float incrBy = 0.1F)
	{
		upperLimit = sumUpToThisNumber;
		incr = incrBy;
	}

	double computeAnswer(void)
	{
		float total = 0.0F;
		float counter = 0.0F;
		while(counter != upperLimit)
		{	
			total += counter;
			counter+=incr;
		}
		return total;
	}
} ;


int main(void)
{
	Summarizer s1(2.2);
	Summarizer s2(3.0);
	Summarizer s3(5.0, 1.0);

	cout << "First answer:  " << s1.computeAnswer() << endl;
	cout << "Second answer: " << s2.computeAnswer() << endl;
	cout << "Third answer:  " << s3.computeAnswer() << endl;
}