Covidspread

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There are N people on a street (numbered 1 to N). For example, we will view them as points on a line. For each valid i, the position of the i-th person is Xi. It turns out that exactly one of these people is infected with the virus COVID-19, but we do not know which one. The virus will spread from an infected person to a non-infected person whenever the distance between them is at most 3. If we w

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solution.cppC++17

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