Example:4
#include <iostream>
using namespace std;
void cal(int a,int b=20,int c=30)
{
int s;
s=a+b+c;
cout<<"Sum ="<<s<<endl;
}
int main()
{
//cal();//1 //error (Atleast one arguments has to be passed)
cal(10);//2
cal(11,22); //3
cal(11,22,33); //4
return 0;
}
/* Output */ Sum =60 Sum =63 Sum =66




