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Question

What is the output of this program? 
    #include <iostream>
    #include <deque>
    using namespace std;
    int main ()
    {
        deque<int> mydeque (5);  
        deque<int>::reverse_iterator rit = mydeque.rbegin();
        int i = 0;
        for (rit = mydeque.rbegin(); rit!= mydeque.rend(); ++rit)
            *rit = ++i;
        for (deque<int> :: iterator it = mydeque.begin();
        it != mydeque.end(); ++it)
        cout << ' ' << *it;
        return 0;
    }

a.

12345

b.

1234

c.

54321

d.

43210

Posted under Object Oriented Programming Using C++

Answer: (c).54321

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