/in/foo.cc:6:3: error: stray '#' in program
 } #include<bits/stdc++.h>
   ^
/in/foo.cc:6:4: error: 'include' does not name a type
 } #include<bits/stdc++.h>
    ^~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:8:5: error: redefinition of 'int main()'
 int main()
     ^~~~
/in/foo.cc:3:5: note: 'int main()' previously defined here
 int main()
     ^~~~