Bibhu and Sio

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Bibhu's birthday is coming, to give treat to his friends he decided to write the names of friends in the form of sentences. He calls a sentence equally weighted if and only if frequency of occurence of different friend's name in a single sentence are same. For example if the given sentence is "Simran Simran Lipsa Lipsa", then Simran and Lipsa have same frequency of occurence i.e 2. Hence the sente

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solution.cppC++17

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