// zeno.c -- series sum
#include <stdio.h>

int main(void)
{
	int count, limit;
	double time, x;
	
	printf("How many terms do you want? ");
	scanf("%d", &limit);

	for (time=0, x=1, count=1; count <= limit; count++, x *= 2.0)
	{
		time += 1.0/x;
		printf("time = %f when count = %d.\n", time, count);
	}
	return 0;
}