/in/foo.cc: In function 'void tupd(int&, int, int)':
/in/foo.cc:10:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   10 |                 int m=l+r>>1;
      |                       ~^~
/in/foo.cc: In function 'long long int tqry(int, int, int)':
/in/foo.cc:17:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   17 |         int m=l+r>>1;
      |               ~^~
/in/foo.cc: In function 'void upd(int, int, int)':
/in/foo.cc:23:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |         int m=l+r>>1;
      |               ~^~
/in/foo.cc: In function 'long long int qry(int, int, int)':
/in/foo.cc:28:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |         int m=l+r>>1;
      |               ~^~