/in/foo.cc: In function 'void pushdown(int, int, int)':
/in/foo.cc:38:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int a=p<<1,b=p<<1|1,m=l+r>>1;
                        ~^~
/in/foo.cc: In function 'void build(int, int, int)':
/in/foo.cc:47:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~
/in/foo.cc: In function 'll query(int, int, int, int, int)':
/in/foo.cc:62:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m=l+r>>1;ll re=0;
        ~^~
/in/foo.cc: In function 'void add(int, int, int, int, int, ll)':
/in/foo.cc:77:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~