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Data Structures | Binary Trees | Question 12
A scheme for storing binary trees in an array X is as follows. Indexing of X starts at 1 instead of 0. the root is stored at X[1]. For a node stored at X[i], the left child, if any, is stored in X[2i] and the right child, if any, in X[2i+1]. To be able to store any binary tree on n vertices the minimum size of X should be. (GATE CS 2006)
(A)
log2n
(B)
n
(C)
2n + 1
(D)
2^n — 1
Answer
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