Input :
1
/ \
2 3
Output: 0
Explanation: There is no duplicate sub-tree
in the given binary tree.
Your Task:
You don't need to read input or print anything. Your task is to complete the function dupSub() which takes root of the tree as the only arguement and returns 1 if the binary tree contains a duplicate sub-tree of size two or more, else 0. Note: Two same leaf nodes are not considered as subtree as size of a leaf node is one.
Reset the IDE using the second button on the top right corner.
Avoid using static/global variables in your code as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases does not guarantee the correctness of code.
On submission, your code is tested against multiple test cases consisting of all
possible corner cases and stress constraints.
You can access the hints to get an idea about what is expected of you as well as
the final solution code.
You can view the solutions submitted by other users from the submission tab.
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
POTD
POTD
