Love at first sight

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Kabir likes Tara's smile and wants to look at her smile. They are sitting in the class and you are friends with Kabir. You have to place a mirror (point size) in the front wall of the class so that Kabir can have a glimpse of Tara's smile. Consider the front wall as x-axis . You are given the coordinates of position of Kabir $(x1,y1)$ and Tara $(x2,y2)$. Find the position where the mirror shou

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solution.cppC++17

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