Professors De
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Dr. S. De teaches computer architecture in NIT Patna. Whenever he comes across any good question(with complexity $k$), he gives that question to students within roll number range $i$ and $j$ At the start of semester he assigns score of $10$ to every student in his class if a student submits a question of complexity $k$, his score gets multiplied by $k$ This month he gave $M$ questions and he
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solution.cppC++17
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