1
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is/are correct inorder traversal sequence(s) of binary search tree(s)?

I. 3, 5, 7, 8, 15, 19, 25
II. 5, 8, 9, 12, 10, 15, 25
III. 2, 7, 10, 8, 14, 16, 20
IV. 4, 6, 7, 9 18, 20, 25

A
I and IV only
B
II and III only
C
II and IV only
D
II only
2
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
What are the worst-case complexities of insertion and deletion of a key in a binary search tree?
A
$$\Theta \left( {\log n} \right)$$ for both insertion and deletion
B
$$\Theta \left( n \right)$$ for both insertion and deletion
C
$$\Theta \left( n \right)$$ for insertion and $$\Theta \left( {\log n} \right)$$for deletion
D
$$\Theta \left( {\log n} \right)$$ for insertion and $$\Theta \left( n \right)$$ for deletion
3
GATE CSE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Consider the following rooted tree with the vertex labelled P as the root GATE CSE 2014 Set 3 Data Structures - Trees Question 69 English The order in which the nodes are visited during an in-order traversal of the tree is
A
SQPTRWUV
B
SQPTRUWRV
C
SQPTWUVR
D
SQPTRUWV
4
GATE CSE 2014 Set 1
Numerical
+1
-0
Consider a rooted n node binary tree represented using pointers. The best upper bound on the time required to determine the number of subtrees having exactly 4 nodes O(na Logbn ). Then the value of a + 10b is _________
Your input ____
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