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Given a linked list, the task is to complete the function maxPalindrome which returns an integer denoting the length of the longest palindrome list that exist in the given linked list.
Input : List = 2->3->7->3->2->12->24 Output : 5 The longest palindrome list is 2->3->7->3->2 Input : List = 12->4->4->3->14 Output : 2 The longest palindrome list is 4->4
The first line of input contains an integer T denotingo the no of test cases. Then T test cases follow. The first line of each test case contains an integer N denoting the size of the linked list . Then in the next line are N space separated values of the given linked list.
For each test case output will be the required max length of the palindrome present in the given linked list.
Example(To be used only for expected output):
2 3 7 3 2 12 24
12 4 4 3 14
Note:The Input/Ouput format and Example given are used for system's internal purpose, and should be used by a user for Expected Output only. As it is a function problem, hence a user should not read any input from stdin/console. The task is to complete the function specified, and not to write the full code.