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Question

What is the output of this program? 
    #include <iostream>
    #include <vector>
    using namespace std;
    int main ()
    {
        vector<int> a (3, 0);
        vector<int> b (5, 0);
        b = a;
        a = vector<int>();
        cout << "Size of a " << int(a.size()) << '\n';
        cout << "Size of b " << int(b.size()) << '\n';
        return 0;
    }

a.

Size of a 0 Size of b 3

b.

Size of a 3 Size of b 5

c.

Error

d.

None of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (a).Size of a 0 Size of b 3

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