27 lines
538 B
C
27 lines
538 B
C
/* Sum of series - Program to find sum of series 1 + 1/2 + 1/3 + ....... + 1/n */
|
|
|
|
#include <stdio.h>
|
|
#include <conio.h>
|
|
|
|
void main()
|
|
{
|
|
int n ;
|
|
float i, s=0 ;
|
|
clrscr() ;
|
|
printf("Enter n: ") ;
|
|
scanf("%d", &n) ;
|
|
for(i=1 ; i<=n ; i++)
|
|
s=s+1/i ;
|
|
/* i has to be float in the above expression. If i is int then s is always 1.000000 since 1/i will be 0 for all i>1 */
|
|
printf("Sum of the required series is %f", s) ;
|
|
getch() ;
|
|
}
|
|
|
|
/*
|
|
Output :
|
|
|
|
Enter n: 3
|
|
Sum of the required series is 1.833333
|
|
*/
|
|
|