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C++ Institute CPP Exam - Topic 2 Question 126 Discussion

Which stack initialization (line numbers) are correct? Choose all that apply.#include #include #include #include #include using namespace std;int main(){deque mydeck;list mylist;vector myvector;stack first;// Line Istack second(mydeck);// Line IIstack third(second);// Line IIIstack fourth(mylist);// Line IVstack fifth(myvector);// Line Vreturn 0;}
A) line I and B) line II and C) line III and D) line IV and E) line V

C++ Institute CPP Exam - Topic 2 Question 126 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 126
Topic #: 2
[All CPP Questions]

Which stack initialization (line numbers) are correct? Choose all that apply.

#include

#include

#include

#include

#include

using namespace std;

int main()

{

deque mydeck;

list mylist;

vector myvector;

stack first;// Line I

stack second(mydeck);// Line II

stack third(second);// Line III

stack > fourth(mylist);// Line IV

stack > fifth(myvector);// Line V

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: A, B, C, D, E

by Wendell at Jul 02, 2026, 08:18 PM

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Tasia
2 days ago
So, A, B, D, and E?
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Lettie
7 days ago
True, line V is good. All options are valid.
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Cyril
12 days ago
Line V is also valid. Vector works well.
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Suzan
17 days ago
I feel line IV is correct. It’s valid syntax.
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Tasia
22 days ago
Line IV is tricky. List as a container?
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Lettie
27 days ago
Line II is good, but what about line IV?
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Cyril
1 month ago
Line II seems fine too. Using deque is okay.
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Suzan
1 month ago
Agreed, line I is definitely valid.
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Tasia
1 month ago
I think line I is correct. Simple initialization.
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Terrilyn
2 months ago
I thought stacks could only use specific containers, not just any!
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Raul
2 months ago
Line IV is correct, but Line V seems off to me.
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Stevie
2 months ago
Wait, can you really initialize a stack with a deque?
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Lashanda
2 months ago
I think Line II is valid too!
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Golda
2 months ago
Line I is definitely correct.
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Paola
2 months ago
I practiced a similar question, and I think line IV is valid since it uses a list as the underlying container for the stack.
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Laurel
3 months ago
Line II seems tricky; I feel like it should work, but I can't recall if stacks can be directly initialized with a deque.
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Maile
3 months ago
I think line I is definitely correct since it’s just a basic stack initialization.
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Lea
3 months ago
I remember that stacks can be initialized with different containers, but I'm not sure if all these initializations are valid.
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