. Consider the following recursive algorithm implemented as a Java method: public static boolean isPalindrome (String s) { if (s.length() == 0) { return true; } else if (s.length() return true; == 1) { } else if (s.charAt(0) != s.charAt(s.length()-1)) { return false; } else { return isPalindrome(s.substring(1, s.length()-2)); a.Briefly describe an input that will cause the worst-case performance for this algorithm.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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2. Consider the following recursive algorithm implemented as a Java method:
public static boolean isPalindrome (String s) {
if (s.length()
return true;
==
0) {
}
else if (s.length()
return true;
}
==
1) {{
}
else if (s.charAt(0) !=s.charAt(s. .length()-1)) {
return false;
}
else {
return isPalindrome (s.substring(1, s.length()-2));
a.Briefly describe an input that will cause the worst-case performance for this
algorithm.
b.Assuming that the recursive call takes 15 basic operations, a return statement
takes 3 basic operations and that any of the if statements takes 7 basic
operations, give a recurrence describing the worst-case running time for this
algorithm.
Transcribed Image Text:2. Consider the following recursive algorithm implemented as a Java method: public static boolean isPalindrome (String s) { if (s.length() return true; == 0) { } else if (s.length() return true; } == 1) {{ } else if (s.charAt(0) !=s.charAt(s. .length()-1)) { return false; } else { return isPalindrome (s.substring(1, s.length()-2)); a.Briefly describe an input that will cause the worst-case performance for this algorithm. b.Assuming that the recursive call takes 15 basic operations, a return statement takes 3 basic operations and that any of the if statements takes 7 basic operations, give a recurrence describing the worst-case running time for this algorithm.
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