/in/foo.cc: In member function 'bool hw::operator<(hw) const':
/in/foo.cc:9:33: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    9 |         return nd>x.nd||nd==x.nd&&bh<x.bh;
      |                         ~~~~~~~~^~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:23:14: error: expected '}' at end of input
   23 |     return 0;
      |              ^
/in/foo.cc:15:1: note: to match this '{'
   15 | {
      | ^