Merge branch 'master' of https://github.com/NirmalSilwal/Java-practice

Author: NirmalSilwal

CodingBlocks Training/Day21/diameterOfTree.java

@@ -2,6 +2,8 @@
 
 import Lecture21.binaryTree.Node;
 
+// time complexity: O(N^2)
+
 public class diameterOfTree {
 
 	public static void main(String[] args) {
@@ -64,4 +66,4 @@ public static int findHeight(Node node) {
 
 -----------------------
 diameter of tree is: 5
-*/
+*/