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Density of Binary Tree

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code_1.cpp
code_1.cpp
 
 
code_2.cpp
code_2.cpp
 
 
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Given a Binary Tree, find density of it by doing one traversal of it.

Density of Binary Tree = Size / Height 

Input: Root of following tree
   10
  /   \
 20   30

Output: 1.5
Height of given tree = 2
Size of given tree = 3

Input: Root of following tree
     10
    /   
   20   
 /
30
Output: 1
Height of given tree = 3
Size of given tree = 3