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=0):val(v){}
int getV() const {return val;}
B operator ?(const B &b )const { return B(val ? b.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() { B t1[]={1,2,3,4,5,6,7,8,9,10}; B t2[]={1,2,3,4,5,6,7,8,9,10}; vector v1(t1, t1+10); vector v2(t2, t2+10); vector v3(10); transform(v1.begin(), v1.end(), v2.rbegin(), v3.begin(), minus()); for_each(v3.rbegin(), v3.rend(), Out(cout));cout< return 0; } Program outputs:
Answer : A
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;
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< 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; }
Answer : A, B, C, E
What happens when you attempt to compile and run the following code?
#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; }
template
U get(U a) {
return (U)(_v);
}
};
int main()
{
A
a.add(10);
cout.setf( ios::showpoint);
cout << a.getV() << " " << a.get(1.0)< return 0; }
Answer : D
What happens when you attempt to compile and run the following code?
include
#include
#include
#include
#include
using namespace std;
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
deque
set
cout< s1.end(), 6); return 0; }
Answer : D
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
#include
using namespace std;
struct display {
void operator() (int i) {cout << " " << i;}
};
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
deque
set
for_each(v1.begin(), v1.end(), display); //Line I
for_each(d1.begin(), d1.end(), *(new display())); // Line II
for_each(s1.begin(), s1.end(), display()); // Line III
return 0;
}
Answer : C
What will happen when you attempt to compile and run the code below, assuming you enter the following sequence: 1 2 3
#include
using namespace std;
int main ()
{
int a,b,c;
cin>>a>>b>>c;
Answer : A
What will happen when you attempt to compile and run the code below, assuming that you enter the following sequence: 1 2 3
#include
#include
#include
using namespace std;
int main ()
{
string s;
getline(cin, s);
stringstream input(s);
stringstream output;
for( ; !input.fail() ; )
{
int i;
input>>i;
output< } cout< return 0; } Program will output:
Answer : B