// ex_ch6_10.c
#include <stdio.h>

int main(void)
{
	int limit, count;
	float series_one = 1.0;
	float series_two = series_one;
	float divide;
	printf("Input limit: ");
	scanf("%d", &limit);

	for (count = 1, divide = 2.0; count <= limit; count++, divide++)
	{
		series_one += 1.0/divide;
	}

	for (count = 1, divide = -1.0; count <= limit; count++, divide *= -1)
	{
		if (divide > 0.0)
		{
			divide++;
		} else
		{
			divide--;
		}
		series_two += 1.0/divide;
	}

	printf("Series one: %f\n", series_one);
	printf("Series two: %f\n", series_two);

	return 0;
}