/*	program to determine and print the sum of the following harmonic series for a given value of n: 1+1/2+1/3+….1/n	*/
#include<stdio.h>

long double printHarmonic(long unsigned n);

int main()
{
	long unsigned n;
	
	printf("Enter the value of n: ");
	scanf("%lu",&n);
	if(n<=0)
	{
		puts("Invalid value!");
		return 1;
	}
	printf("Series evaluates to: %Lf",printHarmonic(n));
	return 0;
}

long double printHarmonic(long unsigned n)
{
	long unsigned i;
	long double seriesValue=0;
	for(i=1;i<=n;i++)
		seriesValue+=(long double)1/(long double)i;
	return seriesValue;
}