What are the advanced features of unordered maps in C++11?
C++11 introduced several advanced features for unordered maps, including improved performance, custom hash functions, and better memory management.
Can you explain how custom hash functions work with unordered maps?
Sure! Custom hash functions allow you to define how keys are hashed, which can optimize performance for specific data types.
What are the benefits of using unordered maps over regular maps?
Unordered maps offer average constant time complexity for lookups, insertions, and deletions, making them faster for large datasets.
Are there any drawbacks to using unordered maps?
Yes, unordered maps use more memory than ordered maps and do not maintain the order of elements, which can be a drawback in some cases.
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