="special">(</span><span class="identifier">gen</span><span class="special">);</span>
    <span class="keyword">int</span> <span class="identifier">root2</span> <span class="special">=</span> <span class="identifier">dis</span><span class="special">(</span><span class="identifier">gen</span><span class="special">);</span>
    <span class="keyword">if</span><span class="special">(</span><span class="identifier">root1</span> <span class="special">&gt;</span> <span class="identifier">root2</span><span class="s