/in/foo.cc: In function 'int main()':
/in/foo.cc:31:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d\n",ans);
                    ^
/in/foo.cc: In function 'void build(int, int, int)':
/in/foo.cc:53:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1;
          ~^~
/in/foo.cc: In function 'void update(int, int, long long int, int)':
/in/foo.cc:67:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1;
          ~^~
/in/foo.cc: In function 'long long int query(int, int, int)':
/in/foo.cc:81:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1;
          ~^~