The series is

1+1/2+1/3+1/4+…..+1/100

#include<stdio.h>

#include<conio.h>

int main()

{

float b=0,a;

for(a=1;a<=100;a++)

{

b=b+(1/a);

}

printf(“Welcome to www.candcpp.com\n”);

printf(“Sum is %f”,b);

getch();

return 0;

}