4-13.cpp

为C++学习者

#include<iostream.h>
int func(int n=2);
void main()
{
  cout<<func(1)<<",";
  cout<<func(2)<<",";
  cout<<func(3)<<endl;
}
int func(int n)
{
  int s=0;
  for(int i=1;i<=10;i++)
     s=n*(1+s);
  return s;
}