Q11

The output of the following C program is_____________. void f1 ( int a, int b) { int c; c = a; a = b; b = c; } void f2 ( int * a, int * b) { int c; c = * a; *a = *b; *b = c; } int main () { int a = 4, b = 5, c = 6; f1 ( a, b); f2 (&b, &c); printf ("%d", c - a - b); }