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Consider the string “abbccbba”. What is the minimum number of insertions required to make the string a palindrome?

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in Data Structures & Algorithms II by (76.6k points)
Consider the string “abbccbba”. What is the minimum number of insertions required to make the string a palindrome?

(a) 0

(b) 1

(c) 2

(d) 3

The question was posed to me in a national level competition.

The above asked question is from Minimum Insertions to form a Palindrome topic in portion Dynamic Programming of Data Structures & Algorithms II

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The correct answer is (a) 0

The best I can explain: The given string is already a palindrome. So, no insertions are required.

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