foo.cc:19:3: error: stray '#' in program
 } #include <iostream>
   ^
foo.cc: In function 'int main()':
foo.cc:11:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  if(x=y)
     ~^~
foo.cc: At global scope:
foo.cc:19:4: error: 'include' does not name a type
 } #include <iostream>
    ^~~~~~~
foo.cc: In function 'int main()':
foo.cc:21:5: error: redefinition of 'int main()'
 int main()
     ^~~~
foo.cc:3:5: note: 'int main()' previously defined here
 int main()
     ^~~~
foo.cc:29:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  if(x=y)
     ~^~

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