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// swap sets
#include <iostream>
#include <set>
main ()
{
int myints[]={12,75,10,32,20,25};
std::set<int> first (myints,myints+3); // 10,12,75
std::set<int> second (myints+3,myints+6); // 20,25,32
first.swap(second);
std::cout << "first contains:";
for (std::set<int>::iterator it=first.begin(); it!=first.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
std::cout << "second contains:";
for (std::set<int>::iterator it=second.begin(); it!=second.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
return 0;
}
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