What is the purpose of the 'std::unordered_map' container in C++ STL?
A. To store elements in key-value pairs with constant-time access
B. To store elements in a sorted sequence with constant-time access
C. To store elements in a stack with constant-time access
D. To store elements in a queue with constant-time access
Answer: Option A
This Question Belongs to C Plus Plus Programming >> Standard Template Library (STL) In C Plus Plus
Which header file is used to include the vector container in C++ STL?
A. <vector>
B. <array>
C. <list>
D. <map>
What does STL stand for in C++?
A. Simple Template Library
B. Standard Template Library
C. System Template Library
D. Structured Template Library
What is the purpose of the 'std::sort' function in C++ STL?
A. To sort elements of a container
B. To search for an element in a container
C. To insert elements into a container
D. To remove elements from a container
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