/in/foo.cc: In function 'int main()':
/in/foo.cc:14:34: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   14 |                         if(i>>j&1==1)
      |                                 ~^~~
/in/foo.cc:13:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   13 |                 for(int j=0;j<n;j++)
      |                 ^~~
/in/foo.cc:19:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   19 |                         ans=max(ans,sum);
      |                         ^~~