C++ Institute Related Exams
CPP Exam
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
template
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++; } }; int main() { vector vector generate(v1.begin(), v1.end(), Sequence(1)); reverse_copy(v1.begin(),v1.end(), v2.rbegin()); sort(v2.begin(), v2.end(), less_equal for_each(v2.begin(), v2.end(), Out return 0; } Program outputs:
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):val(v){} B(){}
int getV() const {return val;} };
ostream & operator <<(ostream & out, const B & v) { out< template 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); deque::iterator it = lower_bound(d1.begin(), d1.end(), 4); for_each(it, d1.end(), Out(cout));cout<<endl; return 0; } Program outputs:
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;
}