Standard C++ Library Class Reference

//Initialize some sets

int a1[] = {1,3,5,7,9,11};

int a3[] = {3,5,7,8};

set<int, less<int> > odd(a1,a1+6), result,

small(a3,a3+4);

//Create an insert_iterator for result

insert_iterator<set<int, less<int> > >

res_ins(result, result.begin());

//Demonstrate set_symmetric_difference

cout << "The symmetric difference of:" << endl << "{";

copy(small.begin(),small.end(),

ostream_iterator<int>(cout," "));

cout << "} with {";

copy(odd.begin(),odd.end(),

ostream_iterator<int>(cout," "));

cout << "} =" << endl << "{";

set_symmetric_difference(small.begin(), small.end(),

odd.begin(), odd.end(), res_ins);

copy(result.begin(),result.end(),

ostream_iterator<int>(cout," "));

cout << "}" << endl << endl;

return 0;

}

Output :

The symmetric difference of:

{3 5 7 8 } with {1 3 5 7 9 11 } =

{1 8 9 11 }

Warning

If your compiler does not support default template parameters, then you need to always supply

the Compare template argument and the Allocator template argument. For instance, you will

need to write :

set<int, less<int>, allocator>

instead of :

set<int>