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Answers and rating deltas for

Why a lot of binary-tree data structures in C do not have a parent node pointer?

Author Votes Δ
Adam Mihalcin 8 +1.38
dirkgently 7 +0.96
NPE 4 -0.74
Mörre 1 -1.28
kofemann 1 -0.98
Basile Starynkevitch 0 -0.96
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