Consider a binary tree π in which every node has either zero or two children.β¦
GATE Β· 2025 Β· CS Β· Set 2 Β· Computer Science & IT
Consider a binary tree π in which every node has either zero or two children. Let π > 0 be the number of nodes in π.
Which ONE of the following is the number of nodes in π that have exactly two children?
- A.
- B.
- C.
- D.
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