#include<iostream.h>
#include<iomanip.h>
#include<math.h>
double a(int n)
{    
double m=1.00;
double j=1.00;
	for(int i=1;i<=n;i++)
	{ j*=i;
  m+=1/j;
	}
	return m;
}
void main()
{
cout<<"n e"<<endl<<"- -----------"<<endl;
for(int i=0;i<=9;i++)
cout<<i<<" "<<setprecision(10)<<a(i)<<endl;

}

• Re:help!!!wa了一天了！！！1517题 (353) anker 2008-03-31 12:29:45