Maximum K Items Out Of N
August 30, 2016
Today’s exercise is to write a program that, given n integers, outputs the list of k integers whose sum is maximum. That looks easy, but there is a catch: You must provide three solutions, one that runs in O(n log n) time, one that runs in O(n log k) time, and one that runs in O(n) time.
Your task is to write three programs as described above. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.
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