Q.

What is the time complexity for finding a Hamiltonian path for a graph having N vertices (using permutation)?

A. o(n!)
B. o(n! * n)
C. o(log n)
D. o(n)
Answer» B. o(n! * n)
Explanation: for a graph having n vertices traverse the permutations in n! iterations and it traverses the permutations to see if adjacent vertices are connected or not takes n iterations (i.e.) o(n! * n).
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