Compilare: user.cpp: In function ‘int expresie()’: user.cpp:16:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (s[p] == '+' || s[p] == '-') ^ user.cpp:16:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (s[p] == '+' || s[p] == '-') ^ user.cpp:18:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (s[p] == '+') ^ user.cpp:23:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (s[p] == '-') ^ user.cpp: In function ‘int termen()’: user.cpp:37:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ( s[p]=='*'||s[p]=='/') ^ user.cpp:37:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ( s[p]=='*'||s[p]=='/') ^ user.cpp:39:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( s[p] == '*' ) ^ user.cpp: In function ‘int factor()’: user.cpp:56:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p] == '-') ^ user.cpp:61:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(s[p] == '(') ^ user.cpp:68:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p] >= '0' && s[p] <= '9') ^ user.cpp:68:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(s[p] >= '0' && s[p] <= '9') ^ user.cpp:70:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] val = val*10 + (s[p]-'0'); ^