#include<iostream.h>
template<class T>
void swap(T &,T &);

int main()
{
int a=5,b=10;
cout<<"Before swap a = "<<a<<" b = "<<b<<endl;
swap(a,b);
cout<<"After swap a = "<<a<<" b = "<<b<<endl;
return 0;
}

template<class T>
void swap(T &a,T &b)
{
a=a^b;
b=a^b;
a=a^b;
}