Compilare: user.c: In function ‘main’: user.c:13:2: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘char (*)[1000001]’ [-Wformat=] fscanf(f, "%s", &s); ^ user.c:8:14: warning: unused variable ‘aux’ [-Wunused-variable] char s[DIM],aux; ^ user.c:13:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%s", &s); ^