class J3_6
{
public static void main(String[] args)
{
int i,j,k=1,n=7; //n可以=......
float e=1.0F;
for (j=1;j<n;j++)
{
for (i=1;i<j;i++)
{
k=k*i;
}
e=e+1.0F/k;
k=1;
}
System.out.println("e="+e);
}
}
class J3_6
{
public static void main(String[] args)
{
int i,j,k=1,n=7; //n可以=......
float e=1.0F;
for (j=1;j<n;j++)
{
for (i=1;i<j;i++)
{
k=k*i;
}
e=e+1.0F/k;
k=1;
}
System.out.println("e="+e);
}
}