using namespace std;int main() { map<string, int> people = { {"Bill", 19}, {"Steve", 32}, {"Elon", 26} }; // 使用迭代器遍历映射表 for (auto it = people.begin(); it != people.end(); ++it) { cout << it->first << " 的年龄是: " << it->second << "\n"; } return 0;}