Compilare: user.cpp: In function ‘int main()’: user.cpp:105:14: warning: ‘cul’ may be used uninitialized in this function [-Wmaybe-uninitialized] char cul; ^ user.cpp:131:34: warning: ‘index2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << index1 << " " << index2 << '\n'; ^ user.cpp:131:17: warning: ‘index1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << index1 << " " << index2 << '\n'; ^