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What happens when you attempt to compile and run the following code?
#include
using namespace std;
namespace myNamespace1
{
int x = 5;
int y = 10;
}
namespace myNamespace2
{
float x = 3.14;
float y = 1.5;
}
int main () {
{
using namespace myNamespace1;
cout << x << " ";
}{
using namespace myNamespace2;
cout << y;
}
return 0;
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
inline float sum(float a,float b)
{
return a+b;
}
int main()
{
float a,b;
a = 1.5; b = 3.4;
cout< return 0; }
What happens when you attempt to compile and run the following code?
#include
using namespace std;
class A {
public :
void print() {
cout << "A ";
}
};
class B {
public :
void print() {
cout << "B ";
}
};
int main() {
B sc[2];
A *bc = (A*)sc;
for (int i=0; i<2;i++)
(bc++)->print();
return 0;
}
Which code, inserted at line 14, generates the output "3.14 10"?
#include
using namespace std;
namespace myNamespace1
{
int x = 5;
int y = 10;
}
namespace myNamespace2
{
float x = 3.14;
float y = 1.5;
}
int main () {
//insert code here
cout << x << " " << y;
return 0;
}
What is the output of the program?
#include
#include
using namespace std;
class First
{
string name;
public:
First() {
name = "Alan";
}
void Print(){
cout << name;
}
};
int main()
{
First ob1,*ob2;
ob2 = new First();
ob1.Print();
ob2?>Print();
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class B;
class A {
int age;
public:
A () { age=5; };
friend class B;
};
class B {
string name;
public:
B () { name="Bob"; };
void Print(A ob) {
cout << name << ob.age;
}
};
int main () {
A a;
B b;
b.Print(a);
return 0;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
const int x=0;
const int *ptr;
ptr = &x;
cout<<*ptr;
return 0;
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class myClass : public exception
{
virtual const char* what() const throw()
{
return "My exception.";
}
} obj;
int main () {
try
{
throw obj;
}
catch (exception& e)
{
cout << e.what() << endl;
}
return 0;
}
Which code, inserted at line 5, generates the output "ABC"?
#include
using namespace std;
class A {
public:
//insert code here
};
class B:public A {
public:
void Print(){ cout<< "B"; }
};
class C:public B {
public:
void Print(){ cout<< "C"; }
};
int main()
{
A ob1;
B ob2;
C ob3;
A *obj;
obj = &ob1;
obj?>Print();
obj = &ob2;
obj?>Print();
obj = &ob3;
obj?>Print();
}
What will be the output of the program?
#include
using namespace std;
int fun(int);
int main()
{
cout << fun(5);
return 0;
}
int fun(int i)
{
return i*i;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
int i = 5;
do {
i??;
cout< } while(i >= 0); return 0; }
If there is one, point out an error in the program
#include
using namespace std;
int main()
{
int i=1;
for(;;)
{
cout< if(i>5) break; } return 0; }
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
int *a= new int;
*a=100;
cout << *a;
delete a;
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
int main()
{
string s1[]= {"How" , "to" };
s1[0].swap(s1[1]);
for (int i=0; i<2; i++) {
cout << s1[i];
}
return( 0 );
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int op(int x, int y)
{
int i;
i = x + y;
return i;
}
int main()
{
int i=1, j=2, k, l;
k = op(i, j);
l = op(j, i);
cout<< k << "," << l;
return 0;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
void fun(char*);
int main()
{
char t[4]={'0', '1', '2', '3'};
fun(&t[0]);
return 0;
}
void fun(char *a)
{
cout << *a;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int fun(int x) {
return 2*x;
}
int main(){
int i;
i = fun(1) || fun(2);
cout << i;
return 0;
}
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, z;
A() : x(1), y(2), z(0) {}
A(int a, int b) : x(a), y(b) { z = x * y;}
void Print() { cout << z; }
};
class B : public A {
public:
int y;
B() : A() {}
B(int a, int b) : A(a,b) {}
void Print() { cout << z; }
};
int main () {
A b(2,5);
b.Print();
return 0;
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
int main()
{
string s1[]= {"H" , "t" };
string s;
for (int i=0; i<2; i++) {
s = s1[i];
s.insert(1,"o");
cout << s;
}
return( 0 );
}
What will happen when you attempt to compile and run the following code?
#include
using namespace std;
#define A 1
int main()
{
#if A
cout<<"Hello";
#endif
cout<<"world";
return 0;
}
Which code, inserted at line 19, generates the output "23"?
#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:
int y;
void set() { y = 4; z = "John"; }
void Print() {
//insert code here
}
};
int main () {
B b;
b.set();
b.Print();
return 0;
}
Which code, inserted at line 18, generates the output "AB"
#include
using namespace std;
class A
{
public:
void Print(){ cout<< "A";}
void Print2(){ cout<< "a";}
};
class B:public A
{
public:
void Print(){ cout<< "B";}
void Print2(){ cout<< "b";}
};
int main()
{
B ob2;
//insert code here
ob2.Print();
}
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
int f(int i);
int main()
{
int i=0;
i++;
for (i=0; i<=2; i++)
{
cout< } return 0; } int f(int a) { return a+a; }
Which code, inserted at line 12, generates the output "5b"?
#include
using namespace std;
namespace myNamespace1
{
int var = 5;
}
namespace myNamespace2
{
char var = 'b';
}
int main () {
//insert code here
return 0;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int f(int a, int b);
int main()
{
float b;
b = f(20,10);
cout << b;
return 0;
}
int f(int a, int b)
{
return a/b;
}
What is the output of the program?
#include
#include
using namespace std;
int main()
{
string s1[]= {"H" , "t" };
string s;
for (int i=0; i<2; i++) {
s = s1[i];
s.insert(1,"ow");
cout << s;
}
return( 0 );
}
TESTED 03 May 2024