Compilare: user.c: In function ‘main’: user.c:58:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:60:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.c:93:19: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=st; i<dr-1; i++){ ^ user.c:93:24: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=st; i<dr-1; i++){ ^