Compilare: user.cpp: In function ‘int main()’: user.cpp:106:25: warning: unused variable ‘s’ [-Wunused-variable] int s=0; ^ user.cpp:144:22: warning: ‘jr’ may be used uninitialized in this function [-Wmaybe-uninitialized] fo<<ir<<" "<<jr<<"\n"; ^ user.cpp:144:13: warning: ‘ir’ may be used uninitialized in this function [-Wmaybe-uninitialized] fo<<ir<<" "<<jr<<"\n"; ^ user.cpp:95:14: warning: ‘culor’ may be used uninitialized in this function [-Wmaybe-uninitialized] char culor,cul; ^