/in/foo.cc: In function 'void build(ll, ll, ll)':
/in/foo.cc:39:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   ll tm = l + r >> 1;
           ~~^~~
/in/foo.cc: In function 'void update(ll, ll, ll, ll, ll)':
/in/foo.cc:51:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   ll tm = tree[x].l + tree[x].r >> 1;
           ~~~~~~~~~~^~~~~~~~~~~
/in/foo.cc: In function 'll query(ll, ll, ll)':
/in/foo.cc:61:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  ll tm = tree[x].l + tree[x].r >> 1;
          ~~~~~~~~~~^~~~~~~~~~~

FormatError('config file not found',)