foo.cc:1:23: warning: extra tokens at end of #include directive
 #include<bits/stdc++>h>
                       ^
foo.cc:1:9: fatal error: bits/stdc++>: No such file or directory
 #include<bits/stdc++>h>
         ^~~~~~~~~~~~~~
compilation terminated.

[Hydro](https://hydro.ac)提供评测服务