Standard Template Library (STL) in C++ MCQ question and answer with solution

Section 1 Section 2

1.
Which header file is used to include the vector container in C++ STL?

A. <vector>

B. <array>

C. <list>

D. <map>

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2.
What does STL stand for in C++?

A. Simple Template Library

B. Standard Template Library

C. System Template Library

D. Structured Template Library

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3.
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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4.
Which container in C++ STL does not allow duplicate elements?

A. vector

B. list

C. set

D. map

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5.
What is the time complexity of accessing an element in a vector in C++ STL?

A. O(1)

B. O(log n)

C. O(n)

D. O(n log n)

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6.
Which algorithm in C++ STL is used to find the maximum element in a range?

A. max_element

B. find_max

C. maximum

D. find_max_element

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7.
What is the purpose of the 'std::map' container in C++ STL?

A. To store elements in key-value pairs

B. To store elements in a sorted sequence

C. To store elements in a stack

D. To store elements in a queue

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8.
Which container in C++ STL is implemented as a doubly linked list?

A. vector

B. list

C. deque

D. stack

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9.
What is the purpose of the 'std::set' container in C++ STL?

A. To store unique elements in sorted order

B. To store duplicate elements in sorted order

C. To store unique elements in random order

D. To store duplicate elements in random order

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10.
What does the 'std::reverse' algorithm do in C++ STL?

A. Reverses the order of elements in a range

B. Sorts the elements in descending order

C. Finds the maximum element in a range

D. Finds the minimum element in a range

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Standard Template Library (STL) in C++ MCQ question and answer with solution | C++ Programimg MCQs

1. Which header file is used to include the vector container in C++ STL?

Answer & Solution

2. What does STL stand for in C++?

Answer & Solution

3. What is the purpose of the 'std::sort' function in C++ STL?

Answer & Solution

4. Which container in C++ STL does not allow duplicate elements?

Answer & Solution

5. What is the time complexity of accessing an element in a vector in C++ STL?

Answer & Solution

6. Which algorithm in C++ STL is used to find the maximum element in a range?

Answer & Solution

7. What is the purpose of the 'std::map' container in C++ STL?

Answer & Solution

8. Which container in C++ STL is implemented as a doubly linked list?

Answer & Solution

9. What is the purpose of the 'std::set' container in C++ STL?

Answer & Solution

10. What does the 'std::reverse' algorithm do in C++ STL?

Answer & Solution

Read More Section(Standard Template Library (STL) in C plus plus)

1.
Which header file is used to include the vector container in C++ STL?

2.
What does STL stand for in C++?

3.
What is the purpose of the 'std::sort' function in C++ STL?

4.
Which container in C++ STL does not allow duplicate elements?

5.
What is the time complexity of accessing an element in a vector in C++ STL?

6.
Which algorithm in C++ STL is used to find the maximum element in a range?

7.
What is the purpose of the 'std::map' container in C++ STL?

8.
Which container in C++ STL is implemented as a doubly linked list?

9.
What is the purpose of the 'std::set' container in C++ STL?

10.
What does the 'std::reverse' algorithm do in C++ STL?