foo.cc:11:3: error: stray '#' in program
   11 | } #include <iostream>
      |   ^
foo.cc:11:4: error: 'include' does not name a type
   11 | } #include <iostream>
      |    ^~~~~~~
foo.cc:13:5: error: redefinition of 'int main()'
   13 | int main()
      |     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
    3 | int main()
      |     ^~~~

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