ass="number">0</span><span class="special">));</span>
    <span class="identifier">mp</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="identifier">point_type</span><span class="special">(</span><span class="number">3</span><span class="special">,</span><span class="number">3</span><span class="special">));</span>

    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span>
        <span clas