stream iterator in c++, program using stream iterator in C++

stream iterator in c++, program using stream iterator in C++

 #include   
 #include   
 #include   
 #include   
 #include   
  
 using namespace std;  
  
 int main()  
 {  
    vector coll;  
    copy (istream_iterator(cin), //start of the source  
    istream_iterator(),          //end of the source  
    back_inserter(coll));                //Final destination... :) 
      
    //To sort the elements  
    sort (coll.begin(), coll.end());  
    unique_copy (coll.begin(), coll.end(), //source  
    ostream_iterator (cout, "\n"));  
    //destination  
    return 0;  
 }