Compilare: user.cpp: In function ‘int main()’: user.cpp:12:26: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(!((int)s[i]>=97&&(int)s[i]<=122||(int)s[i]>=65&&(int)s[i]<=90)) ^ user.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<strlen(s);i++) ^ user.cpp:18:97: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((((int)s[i]>=97&&(int)s[i]<=122)||((int)s[i]>=65&&(int)s[i]<=90))&&(!((int)s[i+1]>=97&&(int)s[i+1]<=122||(int)s[i+1]>=65&&(int)s[i+1]<=90))) ^