#include <iostream>
#include <string>
using namespace std;
class Member
{
public:
int age;
string name;
Member() { age = 0; name=""; }
Member(string n, int a)
{
name=n;
age=a;
}
friend ostream& operator << (ostream& output, Member& m)
{
if (m.age == 0)
output<<"???"<<endl;
else
output<<m.name<<" "<<m.age<<endl;
return output;
}
friend ostream& operator << (ostream& output, Member * m)
{
if (m->age == 0)
output<<"???"<<endl;
else
output<<m->name<<" "<<m->age<<endl;
return output;
}
};
class MemberList
{
private: Member* members;
private: int count;
public: MemberList(Member m[], int c)
{
members=m; count=c;
}
Member* const operator[](const string s)
{
for (int i=0;i<count;i++)
if (members[i].name == s) return &members[i];
return new Member();
}
};
int main()
{
Member newCommers[5] = { Member( "Zhang San", 22),
Member( "Li Si", 19),
Member( "Wang Wu", 18),
Member( "Zhao Liu", 24) };
for ( int i=0; i<5; i++)
cout << newCommers[i] << endl;
string name[5] = { "Zhang San", "Li Si",
"Wang Wu", "Zhao Liu",
"Pin Yin" };
MemberList list(newCommers , 5);
for (int i=0; i<5; i++)
cout << list[name[i]] << endl;
return 0;
}