How can I build a lookup table in C++? -

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How can I build a lookup table in C++? -

i finish novice in c++. trying read file , build lookup table (more hashtable check existence of string value). file has 300 one thousand entries utilize build lookup table. , after this, performing 1 1000000 lookups on this. efficient way of doing this? map (google's first result) or there improve construction purpose?

based on scenario, want @ tries

c++

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