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C++ Institute CPP Exam - Topic 8 Question 66 Discussion

What happens when you attempt to compile and run the following code?#include #include #include using namespace std;templatestruct Out {ostream & out;Out(ostream & o): out(o){}void operator() (const T & val ) { out
E) compilation error
A) 1 2 3 4 5 6 7 8 9 10
B) 2 3 4 5 6 7 8 9 10 11
C) 10 9 8 7 6 5 4 3 2 1
D) 11 10 9 8 7 6 5 4 3 2

C++ Institute CPP Exam - Topic 8 Question 66 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 66
Topic #: 8
[All CPP Questions]

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

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

struct Add {

int operator()(int & a, int & b) {

return a+b;

}

};

int main() {

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

vector v1(t, t+10);

vector v2(10);

transform(v1.begin(), v1.end(), v2.begin(), bind1st(1,Add()));

for_each(v2.rbegin(), v2.rend(), Out(cout));cout<

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: E

by Carissa at Apr 23, 2023, 03:43 PM

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Arlyne
10 months ago
The transform function is doing the heavy lifting here!
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Maddie
10 months ago
I thought it would give a compilation error, but I guess not?
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Lorean
10 months ago
Wait, how does it add 1 to each element?
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Tawna
10 months ago
Definitely B, I agree!
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Salome
11 months ago
The output will be 2 3 4 5 6 7 8 9 10 11.
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Lorrine
11 months ago
I feel like the output should be the original array incremented by 1, so maybe option B is correct? But I'm not completely confident.
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Dortha
11 months ago
I practiced a similar question where we used `for_each` and `transform`, but I can't recall if the output was reversed like this one.
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Kanisha
11 months ago
I'm not entirely sure, but I remember something about `bind1st` being deprecated. Does that mean there could be a compilation error?
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Gracia
11 months ago
I think the `transform` function is supposed to add 1 to each element in `v1`, so maybe the output should start from 2?
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Jamey
11 months ago
I'm a bit confused on this one. The options all seem to be Fibre Channel-related, but I'm not totally sure how they map to the requirements. I'll need to review my notes on virtualized storage and Fibre Channel features to try to figure this out.
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Joesph
11 months ago
I think for the Atlanta router, we need to set up a route for 2023::/126, but I'm not confident if it's pointing to 2012::1 or 2012::2.
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Fairy
11 months ago
I think Amazon CloudWatch would definitely be one of the services to track utilization metrics and errors, but I'm not sure about the second one.
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Martha
11 months ago
Honestly, the specifics of group size and participation requirements can be confusing. I might be overthinking option B though.
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