Compilare: user.cpp: In function ‘int expresie()’: user.cpp:14:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]=='+' || s[p]=='-') ^ user.cpp:14:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]=='+' || s[p]=='-') ^ user.cpp:16:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s[p]=='+') ^ user.cpp: In function ‘int termen()’: user.cpp:32:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]=='*' || s[p]=='/') ^ user.cpp:32:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]=='*' || s[p]=='/') ^ user.cpp:34:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s[p]=='*') ^ user.cpp: In function ‘int factor()’: user.cpp:49:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]=='-') ^ user.cpp:51:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s[p]=='(') ^ user.cpp:58:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]>='0' && s[p]<='9') ^ user.cpp:58:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p]>='0' && s[p]<='9') ^ user.cpp:60:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] val = val * 10 + (s[p] - '0'); ^