Compilare: user.cpp: In function ‘int main()’: user.cpp:42:37: warning: ‘nrfinal2’ may be used uninitialized in this function [-Wmaybe-uninitialized] else fout << nrfinal1 << " " << nrfinal2 << "\n"; ^ user.cpp:42:18: warning: ‘nrfinal1’ may be used uninitialized in this function [-Wmaybe-uninitialized] else fout << nrfinal1 << " " << nrfinal2 << "\n"; ^ user.cpp:41:5: warning: ‘dif’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (dif<0) fout << -1 << "\n"; ^