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C++ Institute CPP Exam - Topic 6 Question 65 Discussion

What happens when you attempt to compile and run the following code?#include #include #include using namespace std;void print(int v) { cout
C) 20 30 20 30 20 30 20 30 10 20
A) 20 30 10 20 30 10 20 30 10 20
B) 20 30 20 30 20 30 20
D) compilation error

C++ Institute CPP Exam - Topic 6 Question 65 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 65
Topic #: 6
[All CPP Questions]

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

#include

#include

#include

using namespace std;

void print(int v) { cout<

struct Sequence {

int start;

Sequence(int start):start(start){}

int operator()() {

return 10*(1+(start++ %3));

}

};

int main() {

vector v1(10);

generate_n(v1.begin(), 10, Sequence(1));

remove(v1.begin(), v1.end(), 10);

for_each(v1.begin(), v1.end(), print);cout<

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: C

by Arthur at Mar 28, 2023, 01:27 PM

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Reita
8 months ago
Sequence class is pretty clever, love how it works!
upvoted 0 times
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Cordelia
9 months ago
Definitely not a compilation error, so that's wrong.
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Galen
9 months ago
Wait, does it really generate 10 values? Sounds odd.
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Tyisha
9 months ago
I think it should be option B instead.
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Jesusita
9 months ago
The output will be 20 30 10 20 30 10 20 30 10 20.
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Corrina
9 months ago
I’m worried there might be a compilation error because of the way the `start` variable is being modified in the `operator()`.
upvoted 0 times
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Tora
9 months ago
I feel like the output will be option B, but I might be mixing it up with another question we practiced.
upvoted 0 times
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Cherry
9 months ago
I remember something similar where we used `generate_n`, but I can't recall how the `Sequence` struct affects the output.
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Jamal
9 months ago
I think the code should compile fine since it uses standard libraries correctly, but I'm not sure about the output.
upvoted 0 times
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Kayleigh
10 months ago
Hmm, I'm a bit confused about the "suppression data set" option. Is that really necessary for Einstein Vision to work properly? I'm not sure about that one.
upvoted 0 times
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Catarina
10 months ago
Hmm, I'm a bit confused on this one. I know EVC is used to enable live migration between hosts with different CPU types, but I'm not sure what the specific requirements are for setting it up. I'll have to think this through carefully.
upvoted 0 times
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