Minimun length string

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Given a string $s$. You can perform the following operation on given string any number of time. Delete two successive elements of the string if they are same. After performing the above operation you have to return the least possible length of the string. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line

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solution.cppC++17

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