/in/ex1.c: In function 'main':
/in/ex1.c:12:20: error: lvalue required as unary '&' operand
     scanf("%f%f\n",&creal(a),&cimag(a));
                    ^
/in/ex1.c:12:30: error: lvalue required as unary '&' operand
     scanf("%f%f\n",&creal(a),&cimag(a));
                              ^
/in/ex1.c:15:20: error: lvalue required as unary '&' operand
     scanf("%f%f\n",&creal(b),&cimag(b));
                    ^
/in/ex1.c:15:30: error: lvalue required as unary '&' operand
     scanf("%f%f\n",&creal(b),&cimag(b));
                              ^