Compilare: user.cpp: In function ‘int getfact()’: user.cpp:24:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr=V[*exp]; ^ user.cpp: In function ‘int main()’: user.cpp:89:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] V[c]=1-V[c]; ^ user.cpp:89:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] V[c]=1-V[c]; ^ user.cpp: In function ‘int getfact()’: user.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type] } ^