Question

#include<stdio.h>

#define p(x) printf("%d", x)

#define q(x) printf("%d", -x)

int x;

void Q(int z)
{
z += x;

q(z);

}

void P(int y)
{
int x = y + 3;
P(x);
y = -1;
Q(y);
}
int main(void)
{
x = 2;

P(x);

P(x);

return 0;

}​

Answer 1

Answer:

Segmentation fault

Explanation: