C++ Institute CPA-21-02 Exam - Topic 8 Question 41 Discussion

Actual exam question for C++ Institute's CPA-21-02 exam

Question #: 41
Topic #: 8

[All CPA-21-02 Questions]

Point out an error in the program.

#include

using namespace std;

int main()

{

const int x=1;

int const *y=&x;

cout<<*y;

return 0;

}

ANo error

BError: unknown pointer conversion

Ccannot convert from 'const int *' to 'int *const'

DCompilation error

Show Suggested Answer

Suggested Answer: A

by Corazon at Jul 05, 2025, 11:19 PM

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Blair

4 months ago

Definitely an error with pointer conversion.

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Lenna

4 months ago

I think it's a compilation error, right?

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Latrice

4 months ago

Looks like there's a const pointer issue.

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Janessa

4 months ago

No error, it should compile fine!

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Kris

4 months ago

Wait, is there really a problem with this code?

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Ressie

5 months ago

I feel like there’s definitely a compilation error here, but I need to double-check the pointer declarations to be certain.

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Carolynn

5 months ago

I'm leaning towards option C, but I can't recall if it's about the conversion from 'const int *' to 'int *const' or something else.

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Erinn

5 months ago

I remember a similar question where we had to deal with const pointers. I think it might be related to converting between const types.

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Claribel

5 months ago

I think there might be an issue with the pointer type, but I'm not entirely sure what the exact error is.

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Catrice

6 months ago

No problem, I've seen this type of question before. The error is in the declaration of `y` - it should be `int* const y = &x;` to match the `const int x`.

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Maia

6 months ago

I'm a bit confused by the pointer syntax here. I'll need to review my notes on const pointers to figure out the right way to declare `y`.

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Laurel

6 months ago

Ah, I see the problem now! The declaration of `y` is incorrect. It should be `int* const y = &x;` to match the `const int x`.

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Lura

6 months ago

Okay, let me see here... the issue seems to be with the pointer declaration. I'm not entirely sure, but I think it might be a problem with the const placement.

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Marjory

6 months ago

Hmm, this looks like a tricky one. I'll need to carefully read through the code and think about the pointer declarations.

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Eladia

8 months ago

This question is making my head spin! I'm just going to guess and hope for the best. Let's go with... B) Error: unknown pointer conversion. Why not, right?

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