C++ Institute Related Exams
CPP Exam
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;} };
template
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:
Which keywords can be used to define template type parameters? Choose all possible answers:
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: