>i</span><span class="o">=</span><span class="nt">1</span><span class="o">,</span><span class="nt">size</span><span class="o">(</span><span class="nt">strings</span><span class="o">))</span><span class="w"></span>

<span class="w">   </span><span class="nt">call</span><span class="w"> </span><span class="nt">rank</span><span class="o">(</span><span class="nt">strings</span><span class="o">,</span><span class="nt">cindx</span><span class="o">)</span><span class="w"></span>

<span class="w">   </span><span cl