Drop the Dot

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You are given $X$ and $Y$ coordinates of $N$ points. All the $N$ points start falling towards the $X-axis$ simultaneously one unit per sec. Your task is to collect all these points using a platform $fixed$ along $X-axis$.A point is said to be collected when any part of the platform touches the point. Platform must not be greater than $K$. $Note:$The initial position of platform is $(0,0)$

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solution.cppC++17

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