ollowing code. <div class="fragment"><div class="line">*   d.init();</div>
<div class="line">*   <span class="keywordflow">for</span> (NodeIt it(digraph); it != <a class="code" href="a00573.html#a0f04de8e6be7bc21ed685c651571d9fe">INVALID</a>; ++it) {</div>
<div class="line">*     <span class="keywordflow">if</span> (!d.reached(it)) {</div>
<div class="line">*       d.addSource(s);</div>
<div class="line">*       d.start();</div>
<div class="line">*     }</div>
<div class="line">*   }</div>
<div class="line"