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

Related MCQs

• 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.
• Consider the strings “monday” and “tuesday”. What is the edit distance between the two strings?
• Given a string, you have to find the minimum number of characters to be inserted in the string so that the string becomes a palindrome. Which of the following methods can be used to solve the problem?
• Consider the string “abbccbba”. What is the minimum number of insertions required to make the string a palindrome?
• For every non-empty string, the length of the longest palindromic subsequence is at least one.
• In the worst case, the minimum number of insertions to be made to convert the string into a palindrome is equal to the length of the string.
• Consider the strings “PQRSTPQRS” and “PRATPBRQRPS”. What is the length of the longest common subsequence?
• Which of the following methods can be used to solve the edit distance problem?
• The edit distance satisfies the axioms of a metric when the costs are non-negative.
• Manhattan distance is an alternative way to define a distance between two points.