UGC-NET | UGC NET CS 2015 Dec – III | Question 17

Given two sequences X and Y :
X = < a, b, c, b, d, a, b >
Y = < b, d, c, a, b, a > .
The longest common subsequence of X and Y is :

(A) < b, c, a>
(B) < c, a, b>
(C) < b, c, a, a>
(D) < b, c, b, a>


Answer: (D)

Explanation:

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