Question 61
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;
}
{
i=5;
cout << i;
}
cout<<i;
return 0;
}
#include <iostream>
using namespace std;
int main (int argc, const char * argv[])
{
int i=10;
{
int i=0;
cout<<i;
}
{
i=5;
cout << i;
}
cout<<i;
return 0;
}
Question 62
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main() {
float i = 1.0 / 2 * 2 / 1 * 2 / 4 * 4 / 2;
cout << i;
return 0;
}
#include <iostream>
using namespace std;
int main() {
float i = 1.0 / 2 * 2 / 1 * 2 / 4 * 4 / 2;
cout << i;
return 0;
}
Question 63
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
int x;
A() { x=0;}
A(int x) { this?>x=x;}
};
class B : private A {
public:
using A::x;
B() { x=1;}
B(int x) {this?>x = x;}
};
int main () {
B c1;
B c2(?5);
cout << c1.x;
cout << c2.x;
return 0;
}
#include <iostream>
#include <string>
using namespace std;
class A {
public:
int x;
A() { x=0;}
A(int x) { this?>x=x;}
};
class B : private A {
public:
using A::x;
B() { x=1;}
B(int x) {this?>x = x;}
};
int main () {
B c1;
B c2(?5);
cout << c1.x;
cout << c2.x;
return 0;
}
Question 64
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main(){
int i = 1;
if (i==1) {
cout << i;
} else {
cout << i-1;
}
return 0;
}
#include <iostream>
using namespace std;
int main(){
int i = 1;
if (i==1) {
cout << i;
} else {
cout << i-1;
}
return 0;
}
Question 65
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class Base {
int age;
public:
class C {
int b;
void PrintC() { cout << b; }
};
Base () {age=5;};
void setAge(int a=20) {age = a;}
void Print() { cout << age;}
};
int main () {
Base a;
a.setAge(10);
a.Print();
return 0;
}
#include <iostream>
using namespace std;
class Base {
int age;
public:
class C {
int b;
void PrintC() { cout << b; }
};
Base () {age=5;};
void setAge(int a=20) {age = a;}
void Print() { cout << age;}
};
int main () {
Base a;
a.setAge(10);
a.Print();
return 0;
}
