Compilare: user.c: In function ‘main’: user.c:154:11: warning: variable ‘nr’ set but not used [-Wunused-but-set-variable] char ch, nr[8]; ^ user.c:154:7: warning: unused variable ‘ch’ [-Wunused-variable] char ch, nr[8]; ^ user.c:158:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&T); ^ user.c:162:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.c:165:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[j]); ^