/in/foo.cc:4:1: error: 'll' does not name a type
    4 | ll jc(short g)
      | ^~
/in/foo.cc: In function 'long long int a(int, int)':
/in/foo.cc:13:16: error: 'jc' was not declared in this scope; did you mean 'jn'?
   13 |         return jc(n)/jc(i);
      |                ^~
      |                jn
/in/foo.cc: In function 'int main()':
/in/foo.cc:37:42: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   37 |                                 if(i>>j&1==1)
      |                                         ~^~~
/in/foo.cc:41:28: error: expected primary-expression before ')' token
   41 |                         if() ans++;
      |                            ^