1
GATE CSE 2012
+2
-0.6
Let G be a weighted graph with edge weights greater than one and G' be the graph constructed by squaring the weights of edges in G. Let T and T' be the minimum spanning trees of G and G' respectively, with total weights t and t'. Which of the following statements is TRUE?
A
T' = T with total weight t' = t2
B
T' = T with total weight t' < t2
C
T' =! T but total weight t' = t2
D
None of these
2
GATE CSE 2010
+2
-0.6
Consider a complete undirected graph with vertex set {0,1,2,3,4}. Entry Wij in the matrix W below is the weight of the edge {i, j} $$W = \left( {\matrix{ 0 & 1 & 8 & 1 & 4 \cr 1 & 0 & {12} & 4 & 9 \cr 8 & {12} & 0 & 7 & 3 \cr 1 & 4 & 7 & 0 & 2 \cr 4 & 9 & 3 & 2 & 0 \cr } } \right)$$$What is the minimum possible weight of a spanning tree T in this graph such that vertex 0 is a leaf node in the tree T? A 7 B 8 C 9 D 10 3 GATE CSE 2010 MCQ (Single Correct Answer) +2 -0.6 Consider a complete undirected graph with vertex set {0,1,2,3,4}. Entry Wij in the matrix W below is the weight of the edge {i, j} $$W = \left( {\matrix{ 0 & 1 & 8 & 1 & 4 \cr 1 & 0 & {12} & 4 & 9 \cr 8 & {12} & 0 & 7 & 3 \cr 1 & 4 & 7 & 0 & 2 \cr 4 & 9 & 3 & 2 & 0 \cr } } \right)$$$ What is the minimum possible weight of a path P from vertex 1 to vertex 2 in this graph such that P contains at most 3 edges?
A
7
B
8
C
9
D
10
4
GATE CSE 2008
+2
-0.6
Consider the following sequence of nodes for the undirected graph given below.
1.a b e f d g c
2.a b e f c g d
3.a d g e b c f
4.a d b c g e f
A Depth First Search (DFS) is started at node a. The nodes are listed in the order they are first visited. Which all of the above is (are) possible output(s)? A
1 and 3 only
B
2 and 3 only
C
2, 3 and 4 only
D
1 , 2 and 3
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization
EXAM MAP
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