// Filename: STL-iteratorAdaptors.cc#include <iostream>#include <vector>using namespace std;template <class Iter>void display(Iter fst, Iter lst, const char* ttl) {    cout << ttl << endl;    while ( fst != lst)        cout << *fst++ << '\t';    cout << endl;}int main() {    int  data[3] = { 9, 10, 11};    vector<int> d(data, data + 3);    vector<int>::reverse_iterator p = d.rbegin();    display(d.begin(), d.end(), "Original");    display(p, d.rend(), "Reverse");}/*outOOP> gpp STL-iteratorAdaptors.ccOOP> a.outOriginal9       10      11Reverse11      10      9OOP>*/