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;
}
a) 10
b) 20
c) compile time error
d) 30
Answer: a
Explanation: In this program, we called by value so the value will not be changed, So the output is 10
Output:
10
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