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C++ Institute CPP Exam - Topic 8 Question 68 Discussion

What happens when you attempt to compile and run the following code?#include #include #include #include using namespace std;class B { int val;public:B(int v):val(v){}int getV() const {return val;} bool operator < (const B & v) const { return val
E) compilation error
A) 1 1
B) 1 0
C) 0 1
D) 0 0

C++ Institute CPP Exam - Topic 8 Question 68 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 68
Topic #: 8
[All CPP Questions]

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

#include

#include

#include

#include

using namespace std;

class B { int val;

public:

B(int v):val(v){}

int getV() const {return val;} bool operator < (const B & v) const { return val

};

ostream & operator <<(ostream & out, const B & v) { out<

templatestruct Out {

ostream & out;

Out(ostream & o): out(o){}

void operator() (const T & val ) { out<

};

int main() {

B t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};

B t1[]={B(1),B(2),B(3),B(4)};

deque d1(t, t+10);

set s1(t, t+10);

sort(d1.begin(), d1.end());

cout<

<

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: E

by Hermila at Jul 03, 2023, 01:07 PM

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Rolande
9 months ago
Definitely not a compilation error, but I’m not sure about the output.
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Josue
10 months ago
I’m surprised it doesn’t give a compilation error!
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Huey
10 months ago
Wait, why would it output 0 1? That seems off.
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Johnson
10 months ago
I think the output will be 1 0.
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Nada
10 months ago
Looks like it should compile fine.
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Erasmo
10 months ago
I feel like the output will be 1 0 because the `set` should include the elements, but I'm not completely sure about the `deque`.
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Yvette
11 months ago
I practiced a similar question where we had to check if one container included elements from another, but I can't recall if it applies here.
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Carman
11 months ago
I think since `set` automatically sorts its elements, it should work fine for that part, but I'm not confident about the `deque`.
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Myra
11 months ago
I remember something about the `includes` function needing sorted ranges, but I'm not sure if both containers are sorted after the `sort` call.
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Barrett
11 months ago
Hmm, the question is asking about address translation, so I'm thinking it's probably related to NAT. I'll need to compare the different NAT types to figure out which one fits the requirements.
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Letha
11 months ago
I don't recall the milestone list being critical for schedule risk analysis, but maybe the resource breakdown structure has its uses? It sounds familiar.
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Coletta
11 months ago
I'm leaning towards "idle time" because it sounds like what we need for this inactivity disconnect feature.
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Antonio
11 months ago
Hmm, I'm not too sure about this one. I know Webmaster Tools has a lot of features, but I'm not sure which one this is asking about specifically.
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Casie
1 year ago
I'm just going to close my eyes and randomly pick an answer. It's probably the only way I'll get this right. Maybe I should've brought a magic 8-ball with me to the exam.
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Adelina
1 year ago
Don't worry, you got this. Trust your instincts.
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Adelina
1 year ago
I know, this code is tricky. Good luck with your answer!
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Adelina
1 year ago
Just take a guess, it's worth a shot.
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Antonio
1 year ago
This question is definitely not for the faint of heart. I'm going to have to think carefully about this one. Maybe I should've taken that 'Introduction to C++ Containers' course after all.
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Denise
1 year ago
User 3
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Margurite
1 year ago
User 2
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Mindy
1 year ago
User 1
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Bronwyn
1 year ago
Wait, what? I thought the 'includes' function was used to check for inclusion in a vector or set, not a deque. Oh well, I'll just guess 'D) 0 1' and see what happens.
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Angelyn
1 year ago
User 3
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William
1 year ago
User 2
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Johnetta
1 year ago
User 1
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Delmy
1 year ago
Hmm, this looks like a tricky one. I'm going to go with 'B) 1 1' and hope I got it right. If not, maybe I can blame it on the caffeine shortage in the test center.
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Carlee
1 year ago
Let's see, I'm going to choose C) 0 0
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Vivan
1 year ago
I agree with you, I also think it's D) 0 1
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Paola
1 year ago
I'm not sure, but I believe it's D) 0 1
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Graciela
1 year ago
I think the correct answer is A) 1 0
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In
1 year ago
I'm not sure, but I'll go with C) 0 0
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Alida
1 year ago
I believe it's B) 1 1
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Gerry
1 year ago
I'm leaning towards D) 0 1
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Wynell
1 year ago
I think the answer is A) 1 0
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Soledad
1 year ago
But why do you think it's D)?
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Audry
1 year ago
I disagree, I believe the answer is D) 0 1.
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Soledad
1 year ago
I think the answer is B) 1 1.
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Cristy
1 year ago
But why do you think so?
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Isaiah
1 year ago
I disagree, I believe the answer is B) 1 1
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Oretha
1 year ago
The code should compile without any errors, and the output should be '1 1', as the 'includes' function checks if all elements in the second range (t1) are present in the first range (d1 and s1).
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Glory
1 year ago
The code compiles without errors and the output should be '1 1'.
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Glory
1 year ago
It should output '1 1' because the 'includes' function checks if all elements in the second range are present in the first range.
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Yvonne
1 year ago
So, the correct answer would be B) 1 1.
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Yvonne
1 year ago
It should output '1 1' because the 'includes' function checks if all elements in the second range are present in the first range.
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Cristy
1 year ago
I think the answer is A) 1 0
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