The unordered_map from C++ STL is pretty awesome, it has built in find functions which give O(1) lookup time, basically it uses internal bucket lookup using hash key to directly jump to the exact location in the bucket.
The unordered_map from C++ STL is pretty awesome, it has built in find functions which give O(1) lookup time, basically it uses internal bucket lookup using hash key to directly jump to the exact location in the bucket.