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GATE | GATE-CS-2014-(Set-1) | Question 20

Let G be a graph with n vertices and m edges. What is the tightest upper bound on the running time on Depth First Search of G? Assume that the graph is represented using adjacency matrix.

(A)

O(n)

(B)

O(m+n)

(C)

O(n2)

(D)

O(mn)

Answer

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