Meena And Exam

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Meena is giving her board exam in Science. And her question paper has Part A and Part B, each containing N questions. If she has to choose X questions from part A and Y questions from part B. Help Meena to find out how many ways can she choose the question. Each part should have at least 1 question. ### Input - First line will contain $T$, number of testcases. Then the testcases follow. - Each t

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solution.cppC++17

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