Compilare: user.cpp: In function ‘int main()’: user.cpp:13:19: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(*a>='A'&&*a<='Z'||*a>='a'&&*a<='z') ^ user.cpp:16:26: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] for(;(*a>='A'&&*a<='Z'||*a>='a'&&*a<='z')||*a=='-';a++) ^