shulie.cpp

c语言程序设计,ppt格式

#include <iostream.h>
void main()
{
double s=0,t=-1;
int i,j=-1;
for(i=0;i<=19;i++)
   {
   t*=j;
   s=s+t/(2*i+1);
   cout<<t/(2*i+1)<<endl;
   }
   cout<<s;
}