Question

What is the output of this program?

    #include <iostream> 
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main ()
    {
        int first[] = {5, 10, 15, 20, 25};
        int second[] = {50, 40, 30, 20, 10};
        vector<int> v(10);
        vector<int> :: iterator it;
        sort (first, first + 5);
        sort (second, second + 5);
        it = set_union (first, first + 5, second, second + 5, v.begin());  
        v.resize(it-v.begin());
        for (it = v.begin(); it != v.end(); ++it)
            cout << ' ' << *it;
        cout << '\n';
        return 0;
    }

a.

5 10 15

b.

20 25 30

c.

40 50

d.

All of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (d).All of the mentioned

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Q. What is the output of this program?

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