C++ Institute CPP - C++ Certified Professional Programmer

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<

}

};

struct Sequence {

int start;

Sequence(int start):start(start){}

int operator()() { return start++; }

};

struct Odd { bool operator()(int v) { return v%2==0; }};

int main() {

vector v1(10);

generate(v1.begin(), v1.end(), Sequence(1));

partition(v1.begin(),v1.end(), Odd());

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

return 0;

}

Choose all possible outputs:

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

#include

#include

using namespace std;

class A

{

int a,b;

public:

A(const A & c) { a = c.a; }

A():a(0),b(0){}

void setA(int a) {this?>a = a;} void setB(int b) {this?>b = b;}

int getA() {return a;} int getB() {return b;}

};

int main ()

{

vectorv;

A a;

a.setA(10); a.setB(11);

v.push_back(a);

cout<

return 0;

}

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

#include

#include

#include

using namespace std;

int main () {

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

vector v (t,t+10);

vector::iterator it;

int m1[] = {1, 3, 2};

it = find_first_of (v.begin(), v.end(), m1, m1+3);

cout << "First found at position: " << it?v.begin() << endl;

return 0;

}

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

#include

#include

#include

using namespace std;

int main(){

int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

vectorv(t, t+10);

set s1(v.begin(),v.end());

s1.insert(v.begin(),v.end());

pair::iterator,set::iterator> range;

range = s1.equal_range(6);

cout<<*range.first<<" "<<*range.second<

return 0;

}

The output will be:

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

#include

#include

#include

using namespace std;

void myfunction(int i) {

cout << " " << i;

}

int main() {

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

vector v1(t, t + 10);

copy_backward(t, t+10, v1.rend());

for_each(v1.begin(), v1.end(), myfunction);

return 0;

}

Program outputs:

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<

}

};

struct Sequence {

int start;

Sequence(int start):start(start){}

int operator()() { return 10*(1+(start++ %3)); }

};

int main() {

vector v1(10);

generate(v1.begin(), v1.end(), Sequence(1));

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

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

return 0;

}

Program outputs:

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

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

deque d1(t, t+10);

sort(d1.begin(), d1.end(), greater());

deque::iterator it = lower_bound(d1.begin(), d1.end(), 4,greater());

for_each(it, d1.end(), Out(cout));cout<

return 0;

}

Program outputs: