Spectacular Activity Selection

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In between cooking lunch and dinner, Chef has decided to take some time off to read about the [Activity Selection Problem] (https://en.wikipedia.org/wiki/Activity_selection_problem). In that problem, there are $M$ time intervals $[l_1, r_1], [l_2, r_2], \ldots, [l_M, r_M]$. A solution to the problem is a maximum subset of these intervals such that no two intervals from this subset have a common po

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solution.cppC++17

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