/in/foo.cc: In function 'void build(int, int, int)':
/in/foo.cc:24:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
24 | int mid=l+r>>1;
| ~^~
/in/foo.cc: In function 'void update(int, int, int, int)':
/in/foo.cc:35:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
35 | int mid=tr[p].l+tr[p].r>>1;
| ~~~~~~~^~~~~~~~
/in/foo.cc: In function 'int query(int, int, int)':
/in/foo.cc:43:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
43 | int mid=tr[p].l+tr[p].r>>1;
| ~~~~~~~^~~~~~~~
FormatError('config file not found')