SDE - 2

An array ‘A’ of ‘N’ integers is provided. Return the maximum possible number which can be created by taking bitwise XOR of any 2 integers of the array.

Example:

If the array is 2,5 and 6

2 XOR 5 is 7
2 XOR 6 is 4
5 XOR 6 is 3

Hence the answer is 7.

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You have been given a Binary Tree of 'n' nodes, where the nodes have integer values

Print the left view of the binary tree.

Example :

If the input tree is as depicted in the picture: 

The Left View of the tree will be:  2 35 2 

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