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

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31.
What is the purpose of the 'std::unordered_set' container in C++ STL?

A. To store unique elements in a hash table

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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32.
Which algorithm in C++ STL is used to find the median of a range of elements?

A. median

B. find_median

C. partial_sort

D. nth_element

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33.
What is the purpose of the 'std::unordered_multiset' container in C++ STL?

A. To store multiple elements in a hash table

B. To store unique elements in a sorted sequence

C. To store unique elements in a hash table

D. To store multiple elements in a sorted sequence

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34.
Which algorithm in C++ STL is used to find the difference between two sorted ranges?

A. difference

B. set_difference

C. distinct

D. find_difference

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35.
What is the time complexity of searching for an element in an unordered_set in C++ STL?

A. O(1)

B. O(log n)

C. O(n)

D. O(n log n)

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36.
Which algorithm in C++ STL is used to find the symmetric difference between two sets?

A. symmetric_difference

B. set_symmetric_difference

C. distinct

D. find_symmetric_difference

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37.
What is the purpose of the 'std::unordered_multimap' container in C++ STL?

A. To store multiple key-value pairs in a hash table

B. To store key-value pairs in a sorted sequence

C. To store unique key-value pairs in a hash table

D. To store multiple key-value pairs in a sorted sequence

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38.
Which algorithm in C++ STL is used to rotate the elements in a range?

A. rotate

B. shift

C. swap

D. rotate_range

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39.
What is the purpose of the 'std::bitset' container in C++ STL?

A. To represent a fixed-size sequence of bits

B. To represent a dynamic array

C. To store elements in a sorted sequence

D. To store elements in a hash table

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40.
Which algorithm in C++ STL is used to shuffle the elements in a range randomly?

A. random_shuffle

B. shuffle

C. mix

D. randomize

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

31. What is the purpose of the 'std::unordered_set' container in C++ STL?

Answer & Solution

32. Which algorithm in C++ STL is used to find the median of a range of elements?

Answer & Solution

33. What is the purpose of the 'std::unordered_multiset' container in C++ STL?

Answer & Solution

34. Which algorithm in C++ STL is used to find the difference between two sorted ranges?

Answer & Solution

35. What is the time complexity of searching for an element in an unordered_set in C++ STL?

Answer & Solution

36. Which algorithm in C++ STL is used to find the symmetric difference between two sets?

Answer & Solution

37. What is the purpose of the 'std::unordered_multimap' container in C++ STL?

Answer & Solution

38. Which algorithm in C++ STL is used to rotate the elements in a range?

Answer & Solution

39. What is the purpose of the 'std::bitset' container in C++ STL?

Answer & Solution

40. Which algorithm in C++ STL is used to shuffle the elements in a range randomly?

Answer & Solution

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

31.
What is the purpose of the 'std::unordered_set' container in C++ STL?

32.
Which algorithm in C++ STL is used to find the median of a range of elements?

33.
What is the purpose of the 'std::unordered_multiset' container in C++ STL?

34.
Which algorithm in C++ STL is used to find the difference between two sorted ranges?

35.
What is the time complexity of searching for an element in an unordered_set in C++ STL?

36.
Which algorithm in C++ STL is used to find the symmetric difference between two sets?

37.
What is the purpose of the 'std::unordered_multimap' container in C++ STL?

38.
Which algorithm in C++ STL is used to rotate the elements in a range?

39.
What is the purpose of the 'std::bitset' container in C++ STL?

40.
Which algorithm in C++ STL is used to shuffle the elements in a range randomly?