41. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
#define MAX 10
int main()
{
int num;
num = ++MAX;
cout << num;
return 0;
}
#include <iostream>
using namespace std;
#define MAX 10
int main()
{
int num;
num = ++MAX;
cout << num;
return 0;
}42. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
void square (int *x)
{
*x = (*x + 1) * (*x);
}
int main ( )
{
int num = 10;
square(&num);
cout << num;
return 0;
}
a) 100
#include <iostream>
using namespace std;
void square (int *x)
{
*x = (*x + 1) * (*x);
}
int main ( )
{
int num = 10;
square(&num);
cout << num;
return 0;
}
a) 10043. What will initialize the list of arguments in stdarg.h header file?
44. What is the meaning of the following declaration?
int(*ptr[5])();
int(*ptr[5])();45. How many types of macros are there in c++?
46. Which is the correct syntax of declaring a namespace?
47. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
void fun(int x, int y)
{
x = 20;
y = 10;
}
int main()
{
int x = 10;
fun(x, x);
cout << x;
return 0;
}
#include <iostream>
using namespace std;
void fun(int x, int y)
{
x = 20;
y = 10;
}
int main()
{
int x = 10;
fun(x, x);
cout << x;
return 0;
}48. How many can max number of arguments present in function in the c99 compiler?
49. What is the default calling convention for a compiler in c++?
50. which of the following is used to implement the c++ interfaces?
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