What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main(){
int i = 1;
if (--i==1) {
cout << i;
} else {
cout << i-1;
}
return 0;
}
Answer : C
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;
}
Answer : C
Point out an error in the program.
#include
using namespace std;
int main()
{
const int x=1;
int const *y=&x;
cout<<*y;
return 0;
}
Answer : A
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class A {
int x;
protected:
int y;
public:
int z;
A() { x=1; y=2; z=3; }
};
class B : public A {
string z;
public:
void set() {
y = 4;
z = "John";
}
void Print() {
cout << y << z;
}
};
int main () {
B b;
b.set();
b.Print();
return 0;
}
Answer : A
What happens when you attempt to compile and run the following code?
#include
using namespace std;
void set(struct person*);
struct person
{
int age;
};
int main()
{
struct person e = {18};
set(&e);
cout<< e.age;
return 0;
}
void set(struct person *p)
{
p?>age = p?>age + 1;
}
Answer : B
What happens when you attempt to compile and run the following code?
#include
using namespace std;
#define DEF_A 0
#define DEF_B DEF_A+1
#define DEF_C DEF_B+1
int main(int argc, char *argv[]) {
cout << DEF_C;
return 0;
}
Answer : A
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class A {
protected:
int y;
public:
int x;
int z;
A() { x=2; y=2; z=3; }
A(int a, int b) : x(a), y(b) { z = x ? y;}
void Print() {
cout << z;
}
};
int main () {
A a(2,5);
a.Print();
return 0;
}
Answer : A