PROGRAM FOR FUNCTION WITHDEFAULT ARGUMENTS

//program for simple intrest using default argument
#include<iostream.h>
#include<conio.h>
void main()
{
  int si(int p=100,int n=1,int r=12);
  int p,n,r;
  clrscr();
  cout<<"Enter principal intrest no.of years:";
  cin>>p>>n>>r;
  cout<<"\n"<<si(p);
  cout<<"\n"<<si(p,n);
  cout<<"\n"<<si(p,n,r);
  cout<<"\n"<<si();
  getch();
}
int si(int x,int y,int z)
{
  return(x*y*z/100);
}