/in/foo.cc: In function 'void build(int&, int, int)':
/in/foo.cc:37:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;
         ~^~
/in/foo.cc: In function 'void pushdown(int, int, int)':
/in/foo.cc:47:10: 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:66:10: 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:78:10: 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:90:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m=l+r>>1;ll re=-1e15;
         ~^~