Compilare: user.c: In function ‘main’: user.c:30:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:32:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&nr); ^ user.c:42:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&nr); ^ user.c:59:17: warning: ‘elem’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(v1[i]-elem<min&&v1[i]-elem>=0){ ^