1
GATE CSE 2002
MCQ (Single Correct Answer)
+2
-0.6
The number of leaf nodes in a rooted tree of n nodes, with each node having 0 or 3 children is:
2
GATE CSE 2000
MCQ (Single Correct Answer)
+2
-0.6
Let LASTPOST, LASTIN and LASTPRE denote the last vertex visited in a postorder, inorder and preorder traversal. Respectively, of a complete binary tree. Which of the following is always tree?
3
GATE CSE 1998
MCQ (Single Correct Answer)
+2
-0.6
A complete n-ary tree is one in which every node has O or n sons. If x is the number of internal nodes of a complete n-ary tree, the number of leaves in it is given by
4
GATE CSE 1997
MCQ (Single Correct Answer)
+2
-0.6
A binary search tree contains the value 1, 2, 3, 4, 5, 6, 7, 8. The tree is traversed in pre-order and the values are printed out. Which of the following sequences is a valid output?
Questions Asked from Trees (Marks 2)
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GATE CSE Subjects
Theory of Computation
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Database Management System
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Programming Languages