Quiz on Constants and Literals in C++

What is the output of the following code snippet?
#include <iostream>
using namespace std;
int main() {
 cout<<“QuizOrbit\a\tQuizzes\n”;
 cout<<“Quiz\0Orbit”;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
using namespace std;
int main() {
 const int i = 20;
 const float f = 30.84;
 const char newline = ‘\n’;
 cout<<“Constants are:”<<newline;
 cout<<i<<newline;
 cout<<f;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
using namespace std;
int main() {
 const int i = 20;
 const float f = 30.84;
 i=f;
 cout<<i<<“\n”;
 cout<<f;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
using namespace std;
int main() {
 float a=5.5;
  cout << “AND float ‘a’ with ‘true’ : ” << a && true;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
#define a 5
using namespace std;
int main() {
  cout << “AND integer ‘a’ with ‘true’ : ” << a && true;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
#define a 3
using namespace std;
int main()
{
   int const b=5;
   cout << ++b + a;
   return 0;
}

What is the output of the following code snippet?
#include <iostream>
using namespace std;
#define PI 3.14159
int main ()
{
float const r = 4;
float area;
area = 2 * PI * r*r;
cout << area;
return 0;
}

What does ‘\a’ escape code represent?

What is the output of the following code snippet?
#include <iostream>
#define GRE(x,y) ((x>y)?x:y)
using namespace std;
int main() {
 int const x = 20;
 unsigned int const y = 40;
 int max;
 max=GRE(x,y);
 cout<<“Greatest of two numbers is: “<<max;
 return 0;
}

What is the output of the following code snippet?
#include <iostream>
#define LEAS(x,y) ((x<y)?x:y)
using namespace std;
int main() {
 int x = -20;
 unsigned int y = -15;
 int min;
 min=LEAS(x,y);
 cout<<“Least of two numbers is: “<<min;
 return 0;
}

What is the output of the following C++ code?
#include <iostream>
using namespace std;
#define length 4
#define breadth 7
int main() {
 double area;
 area = length * breadth;
 cout<<“area of rectangle is:\t”<<area<<” “<<“\a”;
 return 0;
}

What is the output of the following C++ code?
#include <iostream>
using namespace std;
int main() {
 const int x = 10;
 const float y = 5;
 const char newline = ‘\n’;
 const char vtab=’\v’;
 cout<<“constants are:”<<newline;
 cout<<x;
 cout<<vtab<<y;
 return 0;
}

What does ‘\ooo’ escape code represent?

What does ‘\?’ escape code represent?

What does ‘\’’ escape code represent?