/in/foo.cc:2:2: error: invalid preprocessing directive #Include; did you mean #include?
    2 | #Include <cmath>
      |  ^~~~~~~
      |  include
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:24: error: 'sqrt' was not declared in this scope
   12 |         for(i = 1; i < sqrt(x); i++)
      |                        ^~~~