Board Exam

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Sneha 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 Sneha to find out how many ways can she choose the question. Each part should have at least 1 question. ###Input: - First-line will contain $T$, the number of test cases. Then the test ca

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solution.cppC++17

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