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Problem description: There are students in a class fighting for a girl. As she came to know she decided that the boy will win who will help her find out specific characters present in a given string is present either "even" or "odd" number of times as asked by her. So help the boys win. Input Input description. - First input line consist of t number of test cases. - Next line consists of N, Q

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solution.cppC++17

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