Captain Marvel meets Avengers

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Captain Marvel is here, and going toe-to-toe with Thor without blinking. They devise a plan to travel in past at specific events in the timeline and collect the stones to beat Thanos. They know that there are total $N$ events which occured before the decimation. Each event is numbered from 1 to $N$. And they have to travel only in the events which are prime. ( i.e. 2, 3, 5, etc. ) This

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solution.cppC++17

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