="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classGoogle_1_1OrTools_1_1Graph_1_1MaxFlow.html#acbd57fb2aab56de03d6733d36e6e6cbd">   55</a></span>&#160;  <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="classGoogle_1_1OrTools_1_1Graph_1_1MaxFlow.html#acbd57fb2aab56de03d6733d36e6e6cbd">NumNodes</a>() {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <spa