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5votes
5answers
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How can billion integer ids be stored and specific ones checked for existence most efficiently? (persistent solution, not just in-memory)
Let me preface this by saying that I am familiar with RDBMS. I have a solution using mysql/mariadb but I am not happy with the efficiency of the solution so I'm looking for alternatives. I'm trying ...
1vote
2answers
6kviews
How to find local maxima in matrices?
I need to develop an algorithm for finding all the local maxima in a two-dimensional array: how to search for local maxima in the the most efficient way? Are there algorithms about it? Moreover, the ...
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