Compilare: user.c: In function ‘main’: user.c:8:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&n); ^ user.c:10:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&nr); ^ user.c:13:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&x); ^ user.c:19:11: warning: ‘z’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(max>z) ^