default argument condition

defaultargumentcondition.cpp

#include <iostream>


using namespace std;
/*
int f(int x,int y=1,int z);
it will generate error
when default argument starts it must be to the end
*/

int f(int x,int y=1,int z=1);



int main()
{
    int v1,v2,v3;
    v1=f(1,2,3);
    cout<<v1<<endl;
    v2=f(3,2);
    cout<<v2<<endl;
    v3=f(2);
    cout<<v3<<endl;


return 0;

}
int f(int x,int y,int z)
{
    cout<<"x= "<<x<<endl;
    cout<<"y= "<<y<<endl;
    cout<<"z= "<<z<<endl;
return x*y*z;
}