s="special">();</span> <span class="identifier">it</span><span class="special">++)</span>
    <span class="special">{</span>
        <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">first</span><span class="special">(</span><span class="identifier">it</span><span class="special">-&gt;</span><span class="identifier">first</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="string">" - "</span> <span class="special">&lt;&lt