#include <iostream>
    #include <vector>
    using namespace std;
    int main ()
    {
        unsigned int i;
        vector<int> first;
        vector<int> second (4, 100);
        vector<int> third (second.begin(), second.end());
        vector<int> fourth (third);
        int myints[] = {16, 2, 77, 29};
        vector<int> fifth (myints, myints + sizeof(myints) / sizeof(int) );
        for (vector<int> :: iterator it = fifth.begin(); it != fifth.end(); ++it)
            cout << ' ' << *it;
        return 0;
    }

    #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;
    }

    #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;
    }

    #include <iostream>
    #include <vector>
    using namespace std;
    int main ()
    {
        vector<int> first;
        first.assign (7,100);
        vector<int>::iterator it;
        it=first.begin()+1;
        int myints[] = {1776,7,4};
        cout << int (first.size()) << '\n';
        return 0;
    }

    #include <iostream>
    #include <vector>
    using namespace std;
    int main ()
    {
        vector<int> myvector (5);
        int* p = myvector.data();
        *p = 10;
        ++p;
        *p = 20;
        p[2] = 100;
        for (unsigned i = 0; i < myvector.size(); ++i)
            cout << ' ' << myvector[i];
        return 0;
    }