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Print a binary tree from bottom to top in level order

+4 votes
362 views

Given binary tree is:

            1
         /     \
        2        3
      /  \        \
     4   5         6
                 /   \
                7     8

The output will be 7,8,4,5,6,2,3,1

posted Jan 2, 2014 by anonymous

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