Compilare: user.cpp: In function ‘int main()’: user.cpp:14:22: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(s[i]>='a' && s[i]<='z' || s[i]>='A' && s[i]<='Z') ^ user.cpp:21:22: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(s[i]>='a' && s[i]<='z' || s[i]>='A' && s[i]<='Z') ^ user.cpp:24:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(s[i]>='a' && s[i]<='z' || s[i]>='A' && s[i]<='Z') ^ user.cpp:12:9: warning: unused variable ‘scad’ [-Wunused-variable] int scad=0; ^