Compilare: user.cpp: In function ‘int main()’: user.cpp:57:6: warning: ‘aux’ may be used uninitialized in this function [-Wmaybe-uninitialized] char aux; ^ user.cpp:94:13: warning: ‘sj’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<si<<" "<<sj<<"\n"<<aux;; ^ user.cpp:94:4: warning: ‘si’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<si<<" "<<sj<<"\n"<<aux;; ^