Binary Trees

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   Hi guys,

I got given a coursework exercise:

Let a = [20, 12, 17, 36, 25, 49, 52, 65, 42, 35, 71, 43, 54]

a)  Draw the corresponding complete binary tree.

Is the binary tree it's talking about just whack them in a tree which is unordered?  So:

            20
         /      \
     12            17
   /    \            /    \
36      25        49   52

etc etc?  