map<string, int> simap;

simap[string("jjhou")] = 1;

simap[string("jerry")] = 2;

simap[string("jason")] = 3;

simap[string("jimmy")] = 4;

pair<string, int> value(string("david"), 5);

simap.insert(value);

map<string, int>::iterator simap_iter = simap.begin();

for (; simap_iter != simap.end(); ++simap_iter)

cout << simap_iter->first << ' '

<< simap_iter->second << endl;

int number = simap[string("jjhou")];

cout << number << endl;

map<string, int>::iterator ite1;

// 对于关联式容器，专用find函数比STL算法find效率更高

ite1 = simap.find(string("mchen"));

if (ite1 == simap.end())

cout << "mchen not found" << endl;

ite1 = simap.find(string("jerry"));

if (ite1 != simap.end())

cout << "jerry found" << endl;

ite1->second = 9; // 可以修改value

int number2 = simap[string("jerry")];

cout << number2 << endl;

}