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GATE | GATE MOCK 2017 | Question 24

If Kruskal’s algorithm is used for finding a minimum spanning tree of a weighted graph G with n vertices and m edges and edge weights are already given in a sorted list, then, What will be the time complexity to compute the minimum cost spanning tree given that union and find operations take amortized O(1) ?

(A)

O(m logn)

(B)

O(n)

(C)

O(m)

(D)

O(n logm)

Answer

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