Compilare: user.cpp: In function ‘void citire()’: user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:19:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lf%lf",&v[i].x,&v[i].y); ^ user.cpp:26:22: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[i].y<v[poz].y) ^