Compilare: user.cpp: In function ‘int main()’: user.cpp:10:30: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(f.get(c)){if(c>='A'&&c<='Z'||c>='a'&&c<='z')lm++; ^ user.cpp:11:44: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] else if(d>='A'&&d<='Z'||d>='a'&&d<='z')l++; ^