Olympic Village

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It is almost Olympic time, but the organizers fear that the entire Olympic village will not be ready in time given the slow progress of construction. The games are going to have **K** events (numbered from 1 to **K**), and **M** countries (numbered from 1 to **M**) have already confirmed sending their sportspersons to participate in one or more of these events, with one person participating in exa

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solution.cppC++17

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