Suresh and Game

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Suresh is playing a game with N levels. He passes level i with probability pi and the time taken for level i is ti (regardless of whether he passes the level or not). Whenever Suresh fails any level, he has to start again from the first level. Suresh starts playing the game at t = 0. You need to find the expected time when he will be able to pass all the levels. Input The first line of the input

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solution.cppC++17

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