Problem_D

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Write the code following the input and understanding the output's logic from the executable file of the corresponding problem provided to you. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - First line of each testcase contains a single integer $N$, denoting the length of the string. - Second line of each testcase contains a single string $S$ of length

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solution.cppC++17

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