Q. Which of the following methods can be used to solve the longest palindromic subsequence problem?

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Q. Which of the following strings is a palindromic subsequence of the string “ababcdabba”?

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Q. For which of the following, the length of the string is equal to the length of the longest palindromic subsequence?

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Q. What is the length of the longest palindromic subsequence for the string “ababcdabba”?

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Q. What is the time complexity of the brute force algorithm used to find the length of the longest palindromic subsequence?

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Q. For every non-empty string, the length of the longest palindromic subsequence is at least one.

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Q. Longest palindromic subsequence is an example of ______________

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Q. Which of the following methods can be used to solve the edit distance problem?

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Q. The edit distance satisfies the axioms of a metric when the costs are non-negative.

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Q. Which of the following is an application of the edit distance problem?

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Q. In which of the following cases will the edit distance between two strings be zero?

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Q. Suppose each edit (insert, delete, replace) has a cost of one. Then, the maximum edit distance cost between the two strings is equal to the length of the larger string.

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Q. Consider the strings “monday” and “tuesday”. What is the edit distance between the two strings?

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Q. Consider the two strings “”(empty string) and “abcd”. What is the edit distance between the two strings?

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Q. Wagner–Fischer is a ____________ algorithm.

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Q. Wagner–Fischer algorithm is used to find ____________

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Q. What is the edit distance between the strings “abcd” and “acbd” when the allowed operations are insertion, deletion and substitution?

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Q. For which of the following pairs of strings is the edit distance maximum?

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Q. What is the time complexity of the Wagner–Fischer algorithm where “m” and “n” are the lengths of the two strings?

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Q. Which of the following is NOT a Catalan number?

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