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Re:牛人们帮帮忙啊,就是过不了,郁闷啊~~急救!!!wrongIn Reply To:牛人们帮帮忙啊,就是过不了,郁闷啊~~急救!!!wrong Posted by:cpp051000448166 at 2005-04-29 15:09:11 > #include <iostream>
> #include <iomanip>
> using namespace std;
> int i;
> double a[10],s[10];
> int jie(int n)
> {
> int sum=1;
> for(int i1=1;i1<=n;i1++)
> {
> sum=sum*i1;
> }
> return sum;
> }
> double add(double p[],int n)
> {
> double sum;
> for(int i2=0;i2<=n;i2++)
> sum+=p[i2];
> return sum;
> }
>
> void main()
> {
> a[0]=1;
> for(i=1;i<10;i++)
> {
> a[i]=(double)1/jie(i);
> }
> cout<<"n e"<<endl;
> cout<<"- -----------"<<endl;
> for(i=0;i<10;i++)
> {
> s[i]=add(a,i);
> }
> for(i=0;i<3;i++)
> {
> cout<<i<<" "<<s[i]<<endl;
> }
> for(i=3;i<10;i++)
> {
> cout<<i<<" "<<setiosflags(ios::fixed)<<setprecision(9)<<s[i]<<endl;
> }
> }
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