source file name: factseries.C
int recfact(int n)
{
int f=1;
if(n==0)
return 1;
else
f=n*recfact(n-1);
return f;
}
void main()
{
int n;
float fv,sum=0;
clrscr();
for(n=1;n<=5;n++)
{
fv=recfact(n);
sum=sum+(n/fv);
}
printf(" factorial series sum: %f ",sum);
getch();
}
output:
factorial series sum: 2.708333
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