Expected Value

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[Prayatna] (https://www.prayatna.org.in) is sponsored by quite a few companies every year. One of the sponsor's is the Title Sponsor. Let's say there are $M$ companies that are willing to extend their support. Company $i$ is willing to sponsor $Pi$ units of money. Find the expected amount of money that would have been received from sponsors (and spent :P) at the end of $N$ years given that Prayatn

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solution.cppC++17

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