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:
What will happen when you attempt to compile and run the following code?
#include
#include
using namespace std;
template
class A {
T_v;
public:
A() {}
A(T v): _v(v){}
T getV() { return _v; }
void add(T & a) { _v+=a; }
};
int main()
{
A
string s(" world!");
a.add(s);
cout << a.getV() < return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
template
void print(T start, T end) {
while (start != end) {
std::cout << *start << " "; start++;
}
}
int main()
{
int t1[] ={ 1, 7, 8, 4, 5 };
list
int t2[] ={ 3, 2, 6, 9, 0 };
list
l1.sort();
list
it++; it++;
l1.splice(l1.end(),l2, it, l2.end());
print(l1.begin(), l1.end()); cout<<"Size:"< print(l2.begin(), l2.end()); cout<<"Size:"< return 0; }