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Print a binary tree from bottom to top in level order

+4 votes
99 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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+6 votes

Given binary tree is:

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

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

+3 votes

Given a binary tree print it in inward spiral order i.e first print level 1, then level n, then level 2, then n-1 and so on.

For Ex -

         1 
   2           3 
 4    5       6     7 
8 9  10 11  12 13  14 15 

Print- 1 15 14 13 12 11 10 9 8 2 3 7 6 5 4

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