/in/foo.cc: In function 'void build(int&, int, int)':
/in/foo.cc:36:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~
/in/foo.cc: In function 'void pushdown(int, int, int)':
/in/foo.cc:46:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~
/in/foo.cc: In function 'void add(int, int, int, int, int, ll)':
/in/foo.cc:63:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~
/in/foo.cc: In function 'll querys(int, int, int, int, int)':
/in/foo.cc:76:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;ll re=0;
         ~^~
/in/foo.cc: In function 'll querym(int, int, int, int, int)':
/in/foo.cc:88:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;ll re=0;
         ~^~