Question 36
How could you pass arguments to functions?
Question 37
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
struct Person {
int age;
};
class First
{
Person *person;
public:
First() {person = new Person;
person->age = 20;
}
void Print(){
cout << person->age;
}
};
int main()
{
First t[2];
for (int i=0; i<2; i++)
t[i].Print();
}
Question 38
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main (int argc, const char * argv[])
{
int x,y;
union t
{
char tab[2];
int i;
};
union t u;
u.tab[0] = 1;
u.tab[1] = 2;
u.i = 0; x = u.tab[0];
y = u.tab[1];
cout << x << "," << y << "," << u.i;
return 0;
}
Question 39
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int x,y=10;
float f;
f = 5.90;
cout << f << ", ";
x=f;
cout << x <<", ";
f=y;
cout << f;
return 0;
}
Question 40
What is the output of the program given below?
#include <iostream>
using namespace std;
int main (int argc, const char * argv[])
{
int i=10;
{
int i=0;
cout<<i;
}
cout<<i;
return 0;
}