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

1

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

A) <vector> B) <array> C) <list> D) <map>

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

2

What does STL stand for in C++?

A) Simple Template Library B) Standard Template Library C) System Template Library D) Structured Template Library

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

4

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

A) vector B) list C) set D) map

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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)

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

8

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

A) vector B) list C) deque D) stack

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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