Compilare: user.cpp: In function ‘int main()’: user.cpp:22:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:22:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:22:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:22:75: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:22:85: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:22:104: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(alf[s[s.size()-1]]<=alf[s[0]]+1) c[n]=d[s[0]],alf[s[s.size()-1]]=alf[s[0]]+1,d[s[s.size()-1]]=n; ^ user.cpp:23:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(Ma<=alf[s[s.size()-1]])Ma=alf[s[s.size()-1]],jj=n; ^ user.cpp:23:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(Ma<=alf[s[s.size()-1]])Ma=alf[s[s.size()-1]],jj=n; ^