Q.

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?

A. greedy algorithm
B. recursion
C. dynamic programming
D. both recursion and dynamic programming
Answer» D. both recursion and dynamic programming
Explanation: dynamic programming and recursion can be used to solve the problem.
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