
C++ Standard Template Library in Practice - Swapping
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a requirement for objects to be swapped using the standard swap function?
They must be copyable.
They must be move constructable and move assignable.
They must be comparable.
They must be default constructable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the swap ranges function return upon completion?
A boolean indicating success.
The number of elements swapped.
An iterator to one past the last swapped element in the second range.
The first element of the second range.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to swap values inside iterators?
Standard swap
Swap ranges
Itter swap
Iterator swap
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the code demonstration, what are the initial values of A and B before swapping?
A is 30 and B is 10
A is 10 and B is 30
A is 20 and B is 40
A is 40 and B is 20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the vectors after calling swap ranges in the code example?
The last four elements of each vector are swapped.
The first four elements of each vector are swapped.
No elements are swapped.
The entire vectors are swapped.
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