foo.cc: In function 'int main()':
foo.cc:38:24: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
   38 |             printf("%lld\n",((l+r)&1)?0:(updata(r,r&1)^updata(l-1,r&1)));
      |                     ~~~^    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                        |             |
      |                        long long int int
      |                     %d

正在同步测试数据，请稍后
Found 24 testcases.
[Hydro](https://hydro.ac)提供评测服务