Compile Error
foo.c:1:9: fatal error: bits/stdc++.h: No such file or directory
#include<bits/stdc++.h>
^~~~~~~~~~~~~~~
compilation terminated.
正在同步测试数据，请稍后 [Hydro](https://hydro.ac)提供评测服务
foo.c:1:9: fatal error: bits/stdc++.h: No such file or directory
#include<bits/stdc++.h>
^~~~~~~~~~~~~~~
compilation terminated.
正在同步测试数据，请稍后 [Hydro](https://hydro.ac)提供评测服务
