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CPP Exam Dumps - C++ Certified Professional Programmer

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Question # 25

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

#include

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

int main() {

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

vector v1(t, t+10);

for_each(v1.begin(), v1.end(), bind1st(plus(), 1));

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

return 0;

}

Program outputs:

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

D.

10 8 9 11 7 6 2 5 3 4

E.

compilation error

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Question # 26

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

#include

#include

int main ()

{

std::vectorv1;

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

{

v1.push_back(i);

}

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

int sum = 0;

while(it != v1.end())

{

sum+=it++;

}

std::cout<<*v1.erase(v1.begin(),v1.end()?3)<<" "<

return 0;

}

A.

program outputs 3 55

B.

compilation error

C.

program outputs 3 45

D.

program outputs 7 55

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Question # 27

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

#include

#include

#include

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

int main () {

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

fstream f("test.out", ios::trunc|ios::out);

list l(t, t+10);

for_each(l.begin(), l.end(), Out(f));

f.close(); f.open("test.out");

for( ; f.good() ; ) {

int i; f>>i;

cout<

}

f.close();

return 0;

}

A.

file test.out will be opened writing

B.

file test.out will be truncated

C.

file test.out will be opened for reading

D.

no file will be created nor opened

E.

program will display sequence 1 2 3 4 5 6 7 8 9 10

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Question # 28

Which method added to class B at the marked spot will allow the code below to compile? Choose all possible solutions.

#include

#include

#include

using namespace std;

class B { int val;

public:

B(int v):val(v){}

int getV() const {return val;}

/* Insert Code Here */

};

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(), greater());

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

return 0;

}

A.

bool operator < (const B & v) const { return val

B.

bool operator > (const B & v) const { return val

C.

bool operator > (const B & v) const { return val>v.val;}

D.

bool operator == (const B & v) const { return val==v.val;}

E.

operator int () const { return val; }

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Question # 29

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

#include

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

int main() {

int t1[]={3,2,4,1,5};

int t2[]={6,10,8,7,9};

vector v1(5);

transform(t1,t1+5,t2,v1.rbegin(), plus());

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

return 0;

}

Program outputs:

A.

9 12 12 8 14

B.

14 8 12 12 9

C.

3 2 4 1 5 6 10 8 7 9

D.

1 2 3 4 5 6 7 8 9 10

E.

compilation error

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Question # 30

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

#include

#include

#include

using namespace std;

int main() {

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

map m;

for(int i=0; i < 10; i++) {

m[i]=t[i];

}

pair p(5,5);

map::iterator it = find(m.begin(), m.end(), p);

if (it != m.end())

{

cout<first<

}

else

{

cout<<"Not found!\n";

}

return 0;

}

Program outputs:

A.

5

B.

Not found!

C.

10

D.

compilation error

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Question # 31

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

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

int main() {

int t1[]={3,2,4,1,5};

int t2[]={6,10,8,7,9};

vector v1(10);

sort(t1, t1+5); sort(t2, t2+5);

copy(t1,t1+5,v1.begin());

copy(t2,t2+5,v1.begin()+5);

merge(v1.begin(), v1.begin()+5,v1.end());

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

return 0;

}

Program outputs:

A.

1 2 3 4 5 6 10 8 7 9

B.

3 2 4 1 5 6 7 8 9 10

C.

3 2 4 1 5 6 10 8 7 9

D.

1 2 3 4 5 6 7 8 9 10

E.

compilation error

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Question # 32

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

#include

#include

#include

#include

using namespace std;

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};

deque d1(t, t+10);

set s1(t,t+10);

cout<

return 0;

}

Choose all possible outputs (all that apply):

A.

1 0

B.

1 1

C.

true true

D.

false false

E.

compilation error

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