Failing 2 Testcases

#1

My code works for TestCase 1 . But Testcase 2 and 3 are failing.
Can you please help me find out what’s wrong in my code.
My code is here https://ideone.com/1Ajhs7

#2

Hello @sayangosw dry run your code for this test case:
1
abbaa
correct ouput should be 2
your code is not ideally correct:

#3

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