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C++ Institute CPP Exam - Topic 4 Question 37 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=0):val(v){}int getV() const {return val;}operator int () const { return val;} };ostream & operator
D) 10 8 9 11 7 6 2 5 3 4
A) 3 2 4 1 5 6 10 8 7 9
B) 4 3 5 2 6 7 11 9 8 10
C) 9 7 8 10 6 5 1 4 2 3
E) compilation error

C++ Institute CPP Exam - Topic 4 Question 37 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 37
Topic #: 4
[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=0):val(v){}

int getV() const {return val;}

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

vector v1(t, t+10);

transform(v1.begin(), v1.end(), v1.begin(), bind2nd(plus(), 1));

for_each(v1.rbegin(), v1.rend(), Out(cout));cout<

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: D

by Belen at May 05, 2022, 05:13 AM

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Eleonora
9 months ago
Are you sure it doesn't throw an error?
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Truman
9 months ago
Definitely not a compilation error!
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Carmelina
9 months ago
Wait, how does bind2nd work here?
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Dylan
9 months ago
I think it outputs option B.
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Douglass
9 months ago
The code compiles fine.
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Crista
10 months ago
I'm feeling pretty confident about this one. The requirements clearly favor a solution that minimizes network complexity, so I'm going to go with option A, an Azure Relay namespace. That seems like the most efficient and low-maintenance way to establish the WebSocket connection between the .NET app and the SQL Server instance.
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Arthur
10 months ago
I'm not sure about this one. The requirements mention sharing session state across all the web apps, but using a database like PostgreSQL doesn't seem like the best approach for that.
upvoted 0 times
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Mary
10 months ago
I'm leaning towards the use of prophylactic antibiotics as the most relevant data point here. That could provide key insights into the surgeon's infection control practices.
upvoted 0 times
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Buddy
10 months ago
Hmm, this one seems pretty straightforward. I'm pretty confident that charging a smartphone using a computer USB port is the riskiest option here.
upvoted 0 times
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