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GATE | Sudo GATE 2020 Mock II (10 January 2019) | Question 57
Suppose there are two singly linked lists both of which intersect at some point and become a single linked list. The head or start pointers of both the lists are known, but the intersecting node and lengths of lists are not known.
What is worst case time complexity of optimal algorithm to find intersecting node from two intersecting linked lists?
(A)
Θ(n*m), where m, n are lengths of given lists
(B)
Θ(n^2), where m>n and m, n are lengths of given lists
(C)
Θ(m+n), where m, n are lengths of given lists
(D)
Θ(min(n, m)), where m, n are lengths of given lists
Answer
Please comment below if you find anything wrong in the above post
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