Exam Copy

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N students were giving an examination. The students were sitting in a line from 1 to N in order. The ith student had knowledge ki in the subject on which the exam was being conducted. Every student is not confident about his own preparation, so each student wants to find some students (possibly zero), from whom they can copy the answers. Student i can copy from student j only if kj > ki.There are

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solution.cppC++17

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