Compilare: user.cpp: In function ‘void ConvertToPostfix(char*)’: user.cpp:42:56: 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:42:77: 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 ^ user.cpp: In function ‘int main()’: user.cpp:120:35: warning: array subscript is above array bounds [-Warray-bounds] priority ['+'] = priority ['-'] = 1 ; ^ user.cpp:121:35: warning: array subscript is above array bounds [-Warray-bounds] priority ['*'] = priority ['/'] = 2 ; ^