```
The following code lists the nodes in a binary tree in two different orders:
preorder:C,B,A,E,D,F,H
postorder:A,B,D,H,F,E,C
Draw the binary tree.
The answer is :
C
/ \
B E
/ / \
A D F
/
H
so, my question is how should i think or is there any quick method to get the above answer?I know how to draw a binary tree by its sequence but become confuse in the other way round just like this question.Please help me as soon as possible.thanks.
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