CPP Exam Dumps : C++ Certified Professional Programmer

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

#include

#include

using namespace std;

template

class A {

T_v;

public:

A() {}

A(T v): _v(v){}

T getV() { return _v; }

void add(T & a) { _v+=a; }

};

int main()

{

Aa("Hello");

string s(" world!");

a.add(s);

cout << a.getV() <

return 0;

}

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

#include

#include

class A {

public:

virtual int f() { return 10; }

virtual ~A(){}

};

class B: public A {

int f() {return 11; }

virtual ~B(){}

};

int main (){

std::vectorv1;

for(int i = 10; i>0; i??)

{

i%2>0?v1.push_back(new A()):v1.push_back(new B());

}

std::vector::iterator it = v1.begin();

while(it != v1.end())

{

std::cout<<v1.back()?>f()<<" ";

v1.pop_back();++it;

}

return 0;

}

What will happen when you attempt to compile and run the following code? Choose all that apply.

#include

#include

#include

#include

using namespace std;

class A {

int a;

public:

A(int a) : a(a) {}

int getA() const { return a; } void setA(int a) { this?>a = a; }

bool operator < (const A & b) const { return a

};

class F {

A val;

public:

F(A & v):val(v){}

bool operator() (A & v) {

if (v.getA() == val.getA()) return true;

return false;

}

};

int main() {

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

vector v1(t, t + 10);

set s1(t, t + 10);

A a(6); F f(a);

find_if(s1.begin(), s1.end(), f);

if (find_if(v1.begin(), v1.end(), f) !=v1.end()) {

cout<<"Found!\n";

} else {

cout<<"Not found!\n";

}

return 0;

}