Which code, inserted at line 10, generates the output "Hello World"?

#include

#include

using namespace std;

string fun(string, string);

int main()

{

string s="Hello";

string *ps;

ps = &s;

//insert code here

return 0;

}

string fun(string s1, string s2)

{

return s1+s2;

}

What happens when you attempt to compile and run the following code?

#include

using namespace std;

class BaseClass

{

public:

int *ptr;

BaseClass(int i) { ptr = new int(i); }

~BaseClass() { delete ptr; delete ptr;}

void Print() { cout << *ptr; }

};

void fun(BaseClass x);

int main()

{

BaseClass o(10);

fun(o);

o.Print();

}

void fun(BaseClass x) {

cout << "Hello:";

}

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int main()

{

int i=2;

switch(i)

{

case 1:

cout<<"Hello";

case 2:

cout<<"world";

case 3:

cout<<"End";

} return 0;

}