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// set::clear
#include <iostream>
#include <set>
int main ()
{
std::set<int> myset;
myset.insert (100);
myset.insert (200);
myset.insert (300);
std::cout << "myset contains:";
for (std::set<int>::iterator it=myset.begin(); it!=myset.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
myset.clear();
myset.insert (1101);
myset.insert (2202);
std::cout << "myset contains:";
for (std::set<int>::iterator it=myset.begin(); it!=myset.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
return 0;
}
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