- 
					 What is the output of this program?
#include
using namespace std;
namespace calc
{
int p = 12;
}
namespace calc
{
int q = 23;
}
int main(int argc, char * argv[])
{
calc::p = calc::q =6;
cout << calc::p << calc::q;
} 
- 
                        
- 66
 - 12
 - 23
 - 6
 - None of these
 
 
Correct Option: A
We are overriding the value at the main function and so we are getting the output as 66.