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C++ Institute Exam CPP Topic 4 Question 92 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 92
Topic #: 4
[All CPP Questions]

What happens when you attempt to compile and run the following code?

#include

#include

#include

#include

#include

using namespace std;

int main()

{

deque mydeck;list mylist; vector myvector;

queue first; queue second(mydeck);

queue third(second); queue > fourth(mylist);

fourth.push(10);fourth.push(11);fourth.push(12);

queue > fifth(myvector);

fifth.push(10);fifth.push(11);fifth.push(12); // Line I

while(!fifth.empty())

{

cout<

fifth.pop(); // Line III

}

while (!fourth.empty())

{

cout << fourth.front() << " ";

fourth.pop(); // Line IV

}

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: D

by Hobert at Aug 22, 2024, 05:28 PM

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Michell
3 months ago
Hold on, I think the answer is B. There's got to be a compilation error in line I, right? You can't use a vector with a queue like that.
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Tanja
3 months ago
Haha, this code is a real brain-teaser! I'm going to have to think this one through carefully.
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Keith
3 months ago
I believe there won't be any compilation errors, the program should run smoothly
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Owen
3 months ago
I'm not sure, but I think the fourth queue might have an issue. Doesn't it need to use a list instead of a deque?
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Lisbeth
2 months ago
No, the fifth queue with the vector should work fine. It won't cause any compilation errors.
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Dick
2 months ago
But what about the fifth queue with the vector? Will that cause any issues?
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Melissia
2 months ago
Yes, you're correct. The fourth queue is declared with a list, so it should work fine.
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Lilli
2 months ago
I think you're right, the fourth queue should use a list instead of a deque.
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Lemuel
3 months ago
I'm not sure, but I think there might be a compilation error in line III
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Moon
3 months ago
I agree with Keneth, the code looks fine to me
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Mariko
3 months ago
Wait, I think there might be a problem with line I. Shouldn't we be using a deque instead of a vector for the fifth queue?
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Gail
3 months ago
User 2
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Noe
3 months ago
User 1
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Thersa
3 months ago
The code should compile and run without any errors, and the output should be 10 11 12 10 11 12.
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Justine
3 months ago
The code is correct and should run smoothly.
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Justine
3 months ago
A) program outputs: 10 11 12 10 11 12
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Keneth
3 months ago
I think the program will output: 10 11 12 10 11 12
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