C++ Institute CPP Exam - Topic 1 Question 19 Discussion

Actual exam question for C++ Institute's CPP exam

Question #: 19
Topic #: 1

[All CPP Questions]

What happens when you attempt to compile and run the following code? Choose all that apply.

#include

using namespace std;

class A

{

int a;

public:

A(int a) {this?>a = a; c++;}

A(const A & a) {this?>a = a.a; c++;}

~A() { c??;}

static int c;

};

int A::c(0);

int main ()

{

A* t[] = {new A(1), new A(2), new A(3),new A(4), new A(5)};

vectorv1(t, t+10);

dequed1(v1.begin(), v1.end());

d1.clear();

v1.clear();

cout<

return 0;

}

Athere are 15 A objects created,

Bthere are 5 A objects created,

Cfor all object A the destructor is called

Dprogram will display 5

Show Suggested Answer

Suggested Answer: B, D

by Jeanice at May 04, 2022, 08:54 PM

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Lindy

4 months ago

Yeah, the destructor should be called for each object.

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Charolette

4 months ago

I thought it would show 0 since they get cleared.

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Laurel

4 months ago

Wait, does the destructor get called for all of them?

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Lili

4 months ago

Totally agree, the constructor runs 5 times.

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Alpha

5 months ago

There are 5 A objects created.

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Denae

5 months ago

Alright, this seems straightforward. The export policy shows that R1 is advertising an aggregate route, so the AS path should be 65540.

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Jaime

5 months ago

I want to say it's the security group tag number, but was it specific to ports or users? That's what confuses me.

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Hyman

5 months ago

Hmm, I'm a bit unsure about this one. The options seem similar, but I think the key is understanding the difference between information and knowledge. Let me think this through carefully.

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