/in/foo.cc:11:2: error: stray '#' in program
   11 | }#include<iostream>
      |  ^
/in/foo.cc:11:3: error: 'include' does not name a type
   11 | }#include<iostream>
      |   ^~~~~~~
/in/foo.cc:15:5: error: redefinition of 'int main()'
   15 | int main()
      |     ^~~~
/in/foo.cc:5:5: note: 'int main()' previously defined here
    5 | int main()
      |     ^~~~