@Terence : Consider your algo for the tree
1
/ \
2 3
/ \ / \
4 5 6 7
/ /
8 9
According to your algo , first we print 8 4 2 1 ( while(! is_empty(vstack))
) . But 9 should come before 1.
i.e 8 4 2 9 1 5 6 3 7
am I correct???
--
Regards
Jitendra Kushwaha
MNNIT, Allahabad
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