Compilare: user.c: In function ‘main’: user.c:28:5: warning: format ‘%i’ expects argument of type ‘int *’, but argument 3 has type ‘short int *’ [-Wformat=] fscanf(f,"%i",&n); ^ user.c:28:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%i",&n); ^ user.c:31:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lu%lu",&r,&i); ^