Hi does anyone here know how I can use efficiently

Question

Hi does anyone here know how I can use efficiently

some map-like structure in C++?
To be precise I want to code something like dicts in Python and save an array as a value. ("key" will be long double, array will be unsigned long long)

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23.10.2020

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Danya🔥

std::unordered_map

0

24.10.2020

Ludovic 'Archivist' Lagouardette · Accepted Answer

Ludovic 'Archivist' Lagouardette

You could implement an open addressing cuckoo hashmap. They are generally quite fast (in the real of nanoseconds to 2 microseconds) and since your keys are long doubles and value unsigned long longs you can split the double in two to generate the second and first hashes

0

24.10.2020

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Hi does anyone here know how I can use efficiently

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