Compilare: user.cpp: In function ‘void citire()’: user.cpp:11:9: warning: unused variable ‘vv’ [-Wunused-variable] int vv[5]; ^ user.cpp:12:10: warning: unused variable ‘s’ [-Wunused-variable] char s[5]; ^ user.cpp: In function ‘int main()’: user.cpp:59:12: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<nr; ^