1
GATE CSE 2006
MCQ (Single Correct Answer)
+2
-0.6
An array X of n distinct integers is interpreted as a complete binary tree. The index of the first element of the array is 0. If only the root node does not satisfy the heap property, the algorithm to convert the complete binary tree into a heap has the best asymptotic time complexity of
A
O(n)
B
O(log n)
C
O(nlog n)
D
O(n log log n)
2
GATE CSE 2006
MCQ (Single Correct Answer)
+2
-0.6
An array X of n distinct integers is interpreted as a complete binary tree. The index of the first element of the array is 0. If the root node is at level 0, the level of element X[i], i ≠ 0, is
A
⌊log2 i⌋
B
⌈log2 (i + 1)⌉
C
⌊log2 (i + 1)⌋
D
⌈log2 i⌉
3
GATE CSE 2006
MCQ (Single Correct Answer)
+2
-0.6
Suppose that we have numbers between 1 and 100 in a binary search tree and want to search for the number 55. Which of the following sequences CANNOT be the sequence of nodes examined?
A
{10, 75, 64, 43, 60, 57, 55}
B
{90, 12, 68, 34, 62, 45, 55}
C
{9, 85, 47, 68, 43, 57, 55}
D
{79, 14, 72, 56, 16, 53, 55}
4
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
In a complete k-ary tree, every internal node has exactly k children. The number of leaves in such a tree with n internal nodes is
A
nk
B
(n – 1)k + 1
C
n(k – 1) + 1
D
n(k – 1)
GATE CSE Subjects
Software Engineering
Web Technologies
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