帮忙看下这个程序Error executing cl.exe. （VC6.0)

[showming]

#include <iostream>
#include <utility>
#include <vector>
#include <string>
#include <map>


using namespace std;

int main()
{
map<string, vector<pair<string,string> > > children;
string surname;
string child,birth;


while(1)
{
cout<<"input the surname: "<<endl;
cin>>surname;
if (!cin)
{
cin.clear();
cin.ignore();
break;
}
vector<string> childrenname;
pair<map<string,vector<pair<string,string> > >::iterator,bool> ret=children.insert(make_pair(surname,childrenname));
if (!ret.second)
{
cout<<"there is a same name"<<endl;
continue;
}

cout<<"input all the child's name and child's birthday"<<endl;
while (cin>>child>>birth)
{
ret.first->second.push_back(make_pair(child,birth));
}

cin.clear();
cin.ignore();

}

cout<<"input the surname you want to "<<endl;
cin>>surname;
if(children.count(surname))
for (vector<pair<string,string> >::iterator iter=children[surname].begin();iter!=children[surname].end();iter++)
{
cout<<(*iter).first<<" "<<(*iter).second<<endl; //error C2228: left of '.first' must have class/struct/union type
//second' must have class/struct/union type
}

return 0;

}

[yuzl32]

抛弃VC6.0吧，都2010了。

[cattycat]

vector<string> childrenname;
pair<map<string,vector<pair<string,string> > >::iterator,bool> ret=children.insert(make_pair(surname,childrenname));

childrenname的vector应该是vector<pair<string,string>>类型吧。