C++ Pointers & Functions Question:
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What is the output of this program?

#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;
}
a) 10
b) 20
c) compile time error
d) none of the mentioned

Answer:

a) 10

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What is the output of this program?

#include <iostream>
using namespace std;
void mani()
void mani()
{
cout<<"hai";
}
int main()
{
mani();
return 0;
}
a) hai
b) haihai
c) compile time error
d) none of the mentioned		What is the scope of the variable declared in the user definied function?
a) whole program
b) only inside the {} block
c) both a and b
d) none of the mentioned