Compilare: user.cpp: In function ‘void calcmin()’: user.cpp:18:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[i].X<minn) ^ user.cpp: In function ‘int main()’: user.cpp:37:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=p;i++) ^ user.cpp:50:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<=p) ^ user.cpp:60:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<p) ^ user.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minn<=v[i].X) ^ user.cpp:33:13: warning: unused variable ‘poz’ [-Wunused-variable] int i,j,poz; ^ user.cpp:87:17: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<"\n"<<j<<"\n"; ^