Compilare: user.cpp: In function ‘void ConvertToPostfix(char*)’: user.cpp:45:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ( priority [ stiva [ top_s ] ] >= priority [ *sir ] ) // verific ca nu cumva in varful stivei sa fie un operator cu prioritate mai mare ^ user.cpp:45:77: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ( priority [ stiva [ top_s ] ] >= priority [ *sir ] ) // verific ca nu cumva in varful stivei sa fie un operator cu prioritate mai mare ^