Corona

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Recently , novel-coronavirus(nCov) has outbreak in China. It is suppossed to be that this outbreak remains till $ N $ days. Scientist are working really hard to find a vaccine for its cure. And they estimated that till $ (N+1)/2 $ th day they will able to find its vaccine. The infection of virus spread till $ N/2 $ days and then after $ N/2 $ days its effects start decreasing in the same

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solution.cppC++17

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