/in/foo.cc: In function 'int main()':
/in/foo.cc:17:29: warning: array subscript has type 'char' [-Wchar-subscripts]
             if (mir[str[lim]]!=1)
                             ^
/in/foo.cc:24:50: warning: array subscript has type 'char' [-Wchar-subscripts]
             if ((str[i]==str[len-1-i]&&mir[str[i]]==1)||(mir[str[i]]==str[len-1-i]))
                                                  ^
/in/foo.cc:24:68: warning: array subscript has type 'char' [-Wchar-subscripts]
             if ((str[i]==str[len-1-i]&&mir[str[i]]==1)||(mir[str[i]]==str[len-1-i]))
                                                                    ^