Munna and Strings

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Kaleen Bhaiya is upset with Munna since he doesn't study for college. He decides to give Munna a home assignment. If he fails to complete the assignment, he'll be kicked out of the house. Since he isn't so good with studies, he comes to you for some help. Help him complete his assignment. Munna is given $N$ strings denoted by an array $A$ and $Q$ queries. Each query is of the form ($x$, $y$). F

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solution.cppC++17

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