Sorting a vector of custom objects

Question

How does one go about sorting a vector containing custom (i.e. user defined) objects.
Probably, standard STL algorithm sort along with a predicate (a fu

Answer 1

You can use user defined comparator class.

class comparator
{
    int x;
    bool operator()( const comparator &m,  const comparator &n )
    { 
       return m.x<n.x;
    }
 }