Normal palindrome is defined as a string that reads the same backwards as forwards, for example "abccba".
Chunked palindrome is defined as a string that you can split into chunks and it will form a palindrome.
For example, "volvo". You can split it into (vo)(l)(vo). Let A = "vo", B = "l", so the original string is ABA which is a palindrome.
Given a string str, find the maximum number of chunks we can split that string to get a chuncked palindrome.
Explanation: You can't split it into multiple chunks so just return 1 (valve)
Explanation: We can split it into (aaa)(aaa), but the optimal split should be (a)(a)(a)(a)(a)(a)
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