Sliding Puzzle

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Famous company Strange Puzzles Inc. has designed a brand new series of puzzles aimed at students who are fond of competitive programming. In this problem we are going to consider one of them named "Sliding Windows". The puzzle consists of an infinite two-dimensional plane and **n** rectangles located in it. Each of the rectangles has its sides parallel to the coordinate axes. The puzzle is consid

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solution.cppC++17

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