foo.cc: In function 'int main()':
foo.cc:29:26: warning: 'ans2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |         cout<<ans1<<" "<<ans2;
      |                          ^~~~
foo.cc:29:21: warning: 'ans1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |         cout<<ans1<<" "<<ans2;
      |                     ^~~

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