IQUE</span><span class="ss">(</span><span class="mi">3</span><span class="nv">f</span><span class="ss">)</span> <span class="nv">performs</span> <span class="nv">a</span> <span class="nv">Merge</span><span class="o">-</span><span class="nv">sort</span> <span class="nv">ranking</span> <span class="nv">of</span> <span class="nv">an</span> <span class="nv">array</span>,
<span class="nv">with</span> <span class="nv">removal</span> <span class="nv">of</span> <span class="nv">duplicate</span> <span class="nv">ent