Question 11
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main(){
int i = 1;
for(i=10; i>-1; i/=2) {
if(!i)
break;
}
cout << i;
return 0;
}
#include <iostream>
using namespace std;
int main(){
int i = 1;
for(i=10; i>-1; i/=2) {
if(!i)
break;
}
cout << i;
return 0;
}
Question 12
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
int x;
};
class B : public A {
public:
B() { x=1;}
B(int x) {this?>x = x;}
};
int main () {
B c1;
B c2(10);
cout << c1.x;
cout << c2.x;
return 0;
}
#include <iostream>
#include <string>
using namespace std;
class A {
public:
int x;
};
class B : public A {
public:
B() { x=1;}
B(int x) {this?>x = x;}
};
int main () {
B c1;
B c2(10);
cout << c1.x;
cout << c2.x;
return 0;
}
Question 13
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int fun(int x) {
return 2*x;
}
int main(){
int i;
i = fun(0.5) || fun(0);
cout << i;
return 0;
}
#include <iostream>
using namespace std;
int fun(int x) {
return 2*x;
}
int main(){
int i;
i = fun(0.5) || fun(0);
cout << i;
return 0;
}
Question 14
Which code, inserted at line 8, generates the output "0102020"?
#include <iostream>
using namespace std;
class Base {
static int age;
public:
Base () {};
~Base () {};
//insert code here
void Print() { cout << age;}
};
int Base::age=0;
int main () {
Base a,*b;
b = new Base();
a.Print();
a.setAge(10);
a.Print();
b?>setAge();
a.Print();
b?>Print();
return 0;
}
#include <iostream>
using namespace std;
class Base {
static int age;
public:
Base () {};
~Base () {};
//insert code here
void Print() { cout << age;}
};
int Base::age=0;
int main () {
Base a,*b;
b = new Base();
a.Print();
a.setAge(10);
a.Print();
b?>setAge();
a.Print();
b?>Print();
return 0;
}
Question 15
Which of the following structures are correct?
1:
struct s1{ int x; char c;
};
2:
struct s2{ float f; struct s2 *s;
};
3:
struct s3{ float f; in i;
}
1:
struct s1{ int x; char c;
};
2:
struct s2{ float f; struct s2 *s;
};
3:
struct s3{ float f; in i;
}
