Prefix to Postfix using Binary Tree

Recently we have given a online assignment to convert a prefix expression to postfix using binary tree. but it is very odd to say that we had learn tree only a day before. as a result only three or four of us among 30 could complete the code in 2 hours limited time. fortunately i was one of them. and for all of my friends who are struggling with it could see the following code.

This section is Updated later:

I wanted to explain a lot but i can’t because of time. have lots of thing to share. firstly i have made a power point slide that actually simulates how a binary expression tree is made from a prefix expression. hope this will at least help to understand the logic behind the conversion. click this link Prefix to Expression Tree Simulation

Updated section ends here

Here is the code of prefix to binary tree(arrayed implementation).

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