C++ Institute CPP Exam With Confidence Using Practice Dumps

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

#include

#include

#include

using namespace std;

template

int calculate(T start, T end)

{

int s = 0;

while (start != end)

s+= *start; start++;return s;

}

int main ()

{

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

vectorv1(t, t+5);

dequed1(t+5, t+10);

cout<<calculate(t,t+10)<<" ";

cout<<calculate(v1.begin()+1,v1.end()?2)<<" ";

cout<<calculate(d1.rbegin()+1,d1.rend()?2)<<" ";

cout<<calculate(t[0],t[10])<<" ";

cout<<endl;

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

#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;} };

templatestruct Out {

ostream & out;

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

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

struct Add {

B operator()(B & a, B & 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(Add(),1));

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

return 0;

}

Program outputs: