3 ms·
std::set a{1,2,3}; std::set b{5,6,3,4}; std::set c{a}; c.insert(b.begin, b.end()); for(auto x: c) std::cout<<c<<' c; std::cout << '\n';
by gpderetta 4y ago
std::set a{1,2,3};
std::set b{5,6,3,4};
std::set c{a};
c.insert(b.begin, b.end());
for(auto x: c)
std::cout<<c<<' c;
std::cout << '\n';