p</em></td><td>)</td>
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<p>This function sets the costs of the arcs. If it is not used before calling <a class="el" href="a00074.html#a9f51b418026d5480f76426f974567c5d">run()</a>, the costs will be set to <code>1</code> on all arcs.</p>
<dl class="params"><dt>Parameters</dt><dd>
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