What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
class A {
int a;
public:
A(int a) : a(a) {}
int getA() const { return a; } void setA(int a) { this?>a = a; }
operator int() const {return a;}
};
int main () {
int t[] = {1,2,3,2,3,5,1,2,7,3,2,1,10, 4,4,5};
set s (t,t+15);
cout< return 0; } Program outputs:
Answer : D
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< int main() { int t1[]={3,2,4,1,5}; int t2[]={5,6,8,2,1}; vector sort(t1, t1+5); sort(t2, t2+5); set_difference(t1,t1+5,t2,t2+5,v1.begin()); for_each(v1.begin(), v1.end(), Out return 0; } Program outputs:
Answer : B
What happens when you attempt to compile and run the following code?
#include
using namespace std;
template
void g(int a)
{
Answer : B
Which pieces of code inserted independently into places marked 1 and 2 will cause the program to compile and display: 0 1 2 3 4 5 6 7 8 9? Choose all that apply.
#include
#include
using namespace std;
class A { int a; public:
A(int a){ this?>a=a;}
//insert code here 1
};
//insert code here 2
template
while (start != end) {
std::cout << *start << " "; start++;
}
}
int main() {
A t1[] ={ 1, 7, 8, 4, 5 };list l1(t1, t1 + 5);
A t2[] ={ 3, 2, 6, 9, 0 };list l2(t2, t2 + 5);
l1.sort();l2.sort();l1.merge(l2);
print(l1.begin(), l1.end());
print(l2.begin(), l2.end()); cout< return 0; }
Answer : A, B, D
What will happen when you attempt to compile and run the following code?
#include
using namespace std;
class C {
public:
int _c;
C():_c(0){}
C(int c) { _c = c;}
C operator+=(C & b) {
C tmp;
tmp._c = _c+b._c;
return tmp;
}
};
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
A
Cc;
a.add(c);
cout << a.getV() < return 0; }
Answer : B
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
int main(){
int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 10 };
string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight"," ten"};
map
for(int i=0; i<10; i++) {
m.insert(pair
}
if (m[11] == "eleven") {
cout<<"eleven ";
}
for(map
cout<second<<" ";
}
cout< return 0; }
Answer : A
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
int main () {
int t[] = {1,2,3,2,3,5,1,2,7,3,2,1,10, 4,4,5};
vector
int number = count(v.begin(), v.end(), 2);
cout<< number< return 0; } Program outputs:
Answer : A