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Question

What is the output of this program? 
    #include <iostream>
    #include <vector>
    using namespace std;
    int main ()
    {
        vector<int> myvector;
        int sum (0);
        myvector.push_back (100);
        myvector.push_back (200);
        myvector.push_back (300);
        while (!myvector.empty())
        {
            sum += myvector.back();
            myvector.pop_back();
        }
        cout << sum << '\n';
        return 0;
    }

a.

500

b.

600

c.

700

d.

Error

Posted under Object Oriented Programming Using C++

Answer: (b).600

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