In Qt, how to efficiently determine that a point is inside of one of rectangles?

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP


In Qt, how to efficiently determine that a point is inside of one of rectangles?



There is a large set of rectangles. Given a point, I need to quickly find if this point belongs to at least one of the rectangles, and find one.









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