From 4861bc4ec1a92f91f466f8b15c7eea7d06d6c2cb Mon Sep 17 00:00:00 2001
From: NehaKeshan <39170739+NehaKeshan@users.noreply.github.com>
Date: Tue, 26 Mar 2024 12:33:00 -0400
Subject: [PATCH] Update README.md

---
 lectures/20_trees_III/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lectures/20_trees_III/README.md b/lectures/20_trees_III/README.md
index f465a89..091f189 100644
--- a/lectures/20_trees_III/README.md
+++ b/lectures/20_trees_III/README.md
@@ -11,6 +11,7 @@ of pointers to the iterator.
 ## Today’s Lecture
 
 - Breadth-first and depth-first tree search
+- Increement/decrement operator
 - Tree height, longest-shortest paths, breadth-first search
 - Last piece of ds_set: removing an item, erase
 - Erase with parent pointers, increment operation on iterators