programs using vectors in c 2b 2b

1#include<iostream>  
2#include<vector>  
3using namespace std;  
4int main()  
5{  
6vector<string> v1;  
7v1.push_back("vectors");  
8v1.push_back("are useful");  
9for(vector<string>::iterator itr=v1.begin();itr!=v1.end();++itr)  
10cout<<*itr;  
11return 0;   
12}