/in/foo.cc: In function 'int main()':
/in/foo.cc:15:23: error: 'ii' was not declared in this scope
    if (ww >= 11 && ww-ii == 2)
                       ^~
/in/foo.cc:7:13: warning: unused variable 'w' [-Wunused-variable]
     char i, w, l;
             ^
/in/foo.cc:7:16: warning: unused variable 'l' [-Wunused-variable]
     char i, w, l;
                ^