vector<int> v1; v1.push_back(1); v1.push_back(2); v1.push_back(3); set<int> s1(v1.begin(), v1.end()); vector<int> v2; v2.assign(s1.begin(), s1.end()); cout <<"打印set里的数据"<< endl; for_each(s1.begin(), s1.end(), print01); cout << endl; cout <<"...