Compilare: user.c: In function 'main': user.c:12: warning: format '%d' expects type 'int *', but argument 2 has type 'int' user.c:12: warning: format '%d' expects type 'int *', but argument 3 has type 'int' user.c:4: warning: unused variable 'j' user.c:23:2: warning: no newline at end of file user.c:12: warning: 'x' is used uninitialized in this function user.c:12: warning: 'y' is used uninitialized in this function