span></span></span>
<span class="r-in"><span>     <span class="fu"><a href="add_binary_decisions.html">add_binary_decisions</a></span><span class="op">(</span><span class="op">)</span> <span class="op"><a href="pipe.html">%&gt;%</a></span></span></span>
<span class="r-in"><span>     <span class="fu">add_lpsolveapi_solver</span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># print problem</span></span></span>