C++ Institute C++ Certified Professional Programmer CPP Question # 21 Topic 3 Discussion

C++ Institute C++ Certified Professional Programmer CPP Question # 21 Topic 3 Discussion

CPP Exam Topic 3 Question 21 Discussion:
Question #: 21
Topic #: 3

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

#include

#include

#include <algorithm>

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() {

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

vector v1(t, t+10);

sort(v1.begin(), v1.end());

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

return 0;

}

Program outputs:


A.

8 10 5 1 4 6 2 7 9 3


B.

1 2 3 4 5 6 7 8 9 10


C.

compilation error


D.

10 9 8 7 6 5 4 3 2 1


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