Compilare: user.cpp: In function ‘int expresie()’: user.cpp:12:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(v[p]=='m' || v[p]=='M') ^ user.cpp:12:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(v[p]=='m' || v[p]=='M') ^ user.cpp:14:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[p]=='m') ^ user.cpp: In function ‘int termen()’: user.cpp:31:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[p]=='(') ^ user.cpp:38:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(v[p]>='0' && v[p]<='9') ^ user.cpp:38:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(v[p]>='0' && v[p]<='9') ^ user.cpp:40:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] val=val*10+(v[p]-'0'); ^