Compilare: user.cpp: In function ‘int main()’: user.cpp:69:24: warning: ‘nr2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<nr1<<" "<<nr2; ^ user.cpp:69:11: warning: ‘nr1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<nr1<<" "<<nr2; ^