1
GATE CSE 2016 Set 2
Numerical
+1
-0
Breadth First Search $$(BFS)$$ is started on a binary tree beginning from the root vertex. There is a vertex $$t$$ at a distance four from the root. If t is the $$n$$-th vertex in this $$BFS$$ traversal, then the maximum possible value of $$n$$ is ___________.
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2
GATE CSE 2016 Set 1
Numerical
+1
-0
Consider the following directed graph: GATE CSE 2016 Set 1 Data Structures - Graphs Question 6 English

The number of different topological orderings of the vertices of the graph is ________________.

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3
GATE CSE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Consider the tree arcs of a BFS traversal from a source node W in an unweighted, connected, undirected graph. The tree T formed by the tree arcs is a data structure for computing
A
the shortest path between every pair of vertices.
B
the shortest path from W to every vertex in the graph.
C
the shortest paths from W to only those nodes that are leaves of T.
D
the longest path in the graph.
4
GATE CSE 2014 Set 3
Numerical
+1
-0
Suppose depth first search is executed on the graph below starting at some unknown vertex. Assume that a recursive call to visit a vertex is made only after first checking that the vertex has not been visited earlier. Then the maximum possible recursion depth (including the initial call) is _________. GATE CSE 2014 Set 3 Data Structures - Graphs Question 22 English
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