如下VC++6.0编译出现错误，求高手指点~

Question

//setops.cpp--some set operations#include<iostream>#include<string>#include<set>#include<algorithm>#include<iterator>int main(){using namespace std;const int N=6;string s1[N]={"buffoon","thinkers","for","heavy","can","for"};string s2[N]={"metal","any","food","elegant","deliver","for"};set<string> A(s1,s1+N);set<string> B(s2.s2+N);ostream_operator<string,char> out(cout," ");cout<<"Set A: ";copy(A.begin(),A.end(),out);cout<<endl;cout<<"Set B: ";copy(B.begin(),B.end(),out);cout<<endl;cout<<"Union of A and B:\n";set_union(A.begin(),A.end(),B.begin(),B.end(),out);cout<<endl;cout<<"Intersection of A and B:\n";set_intersection(A.begin(),A.end(),B.begin(),B.end(),out);cout<<endl;cout<<"Difference of A and B:\n";set_defference(A.begin(),A.end(),B.begin(),B.end(),out);cout<<endl;set<string> C;cout<<"Set C:\n";set_union(A.begin(),A.end(),B.begin(),B.end(),insert_iterator<set<string> > (C,C.begin()));copy(C.begin(),C.end(),out);cout<<endl;string s3("grungy");C.insert(s3);cout<<"Set C after insertion:\n";copy(C.begin(),C.end(),out);cout<<endl;cout<<"Showing a range:\n";copy(C.lower_bound("ghost"),C.upper_bound("spook"),out);cout<<endl;system("pause");return 0;}

Answer 1

set<string> B(s2.s2+N); // 是不是把逗号打错点了？