Overloading Program in C++

Overloading Program in C++

#include
#include
double sum(double,int);
long sum(long,int,int);
void main()
{
clrscr();
cout<<"\n\t +" <<sum(70,34);
cout<<"\n\t +" <<sum(100,76,98);
getch();
}
double sum(double a,int b)
{
return(a+b);
}
long sum(long c,int d,int e)
{
int f;
f=c+d+e;
return(f);
}