Bot of Rancho

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Rancho is designing a surveillance bot which has the capability to remember the coordinates of the given points and reply for the queries when asked. The bot is placed at (0,0) with x axis towards right and y axis towards up. It has the capability to add, erase and get a point in the system : add a b : Bot places a marker at the point (a,b). If the point is previously marked then ignores it. e

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solution.cppC++17

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