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← GATE CSE 2026 Set 2

Q2

MCQ1 mark, −0.33

The set T\mathbf{T} represents various traversals over binary tree. The set S\mathbf{S} represents the order of visiting nodes during a traversal.

\renewcommand{\arraystretch}{1.3} \begin{array}{|l|l|} \hline \quad\quad\textbf{T} & \quad\quad\quad\textbf{S} \\ \hline \text{I: Inorder} & \text{L: left subtree, node, right subtree} \\ \text{II: Preorder} & \text{M: node, left subtree, right subtree} \\ \text{III: Postorder} & \text{N: left subtree, right subtree, node} \\ \hline \end{array}

Which one of the following is the correct match from T\mathbf{T} to S\mathbf{S} ?

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