The in-order traversal of a tree resulted in FBGADCE. Then the pre-order…

ISRO Scientist/Engineer SC · 2011 · Computer Science· Modified — slightly modified from the official paper; see the solution

1. A.

   FGBDECA

2. B.

   ABFGCDE

3. C.

   BFGCDEA

4. D.

   AFGDBEC

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