pan><span style="color: #000000;">3</span><span style="color: #434f54;">/</span><span style="color: #000000;">4</span><span style="color: #000000;">)</span><span style="color: #000000;">;</span>
    <span style="color: #000000;">gf</span> <span style="color: #434f54;">=</span> <span style="color: #000000;">0</span><span style="color: #000000;">;</span>
  <span style="color: #000000;">}</span>
  <span style="color: #00979c;">int</span> <span style="color: #000000;">r</span> <span style="color: #434f54;">=</s