Sigma bats

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Due to a catastrophe on Earth, all animals had their lives overturned, and they had to move to the planet Arial. However, on planet Arial “the bat rules the rest”. ### Input - First line will contain $T$, the number of test cases. Then the test cases follow. - Each test case contains 2 lines on input: - First line contains a number $N$, the length of the string. - Second line contains a string $

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solution.cppC++17

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