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

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

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:

Suggested Answer: D

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9 comments · newest first
EL
Eleonora 11 months ago
Are you sure it doesn't throw an error?
TR
Truman 12 months ago
Definitely not a compilation error!
CA
Carmelina 12 months ago
Wait, how does bind2nd work here?
DY
Dylan 1 year ago
I think it outputs option B.
DO
Douglass 1 year ago
The code compiles fine.
CR
Crista 1 year 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.
AR
Arthur 1 year 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.
MA
Mary 1 year 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.
BU
Buddy 1 year 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.
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