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In that case the best you can do is O(N*M) since map has to O(N) to iterate all of the elements. However, looking at the code what map is actually doing is creating a hashtable for you. It returns an array of the elements with the function applied to it. That is basically a hashtable.
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Sequence Equation
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In that case the best you can do is O(N*M) since map has to O(N) to iterate all of the elements. However, looking at the code what map is actually doing is creating a hashtable for you. It returns an array of the elements with the function applied to it. That is basically a hashtable.