Algorithm for removing entries from an array, by removing “middlest” items?

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


Algorithm for removing entries from an array, by removing “middlest” items?



Given a list of items of length n, where a maximum number of wanted items is m, and m < n, and in which the items in the list which are most valuable / useful are those that are furthest from any other item. How can I remove items from the list to reduce the size of the list to m.


n


m


m < n


m



e.g., for [ a, b, c, d, e ] with an m == 2, we would get [ a, e]


[ a, b, c, d, e ]


m == 2


[ a, e]



e.g., for [ a, b, c, d, e ] with an m == 3, we would get [ a, c, e ]


[ a, b, c, d, e ]


m == 3


[ a, c, e ]


[ a, b, c, d, e ]


m == 4


[ a, b, c, e ]


[ a, c, d, e ]



Note: I am generalizing a real problem, which is selecting representative frames from a video. The code will be written in python.









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