Update README.md

AvinandanBose · web-flow · commit 8e352de44d65 · 2022-12-08T13:13:52.000+05:30
diff --git a/README.md b/README.md
@@ -845,5 +845,7 @@ Greatest Element to Lowest Element.
   <h2> </h2> 
    <h2> </h2>
 </ul>
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+<h1 align="center">  Comparator Interface on Tree Set  </h1>
 </ul>
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+
