#include <iostream>
using namespace std;

int main (void)
{
	assert (false);
}

answer.code: In function 'int main()':
answer.code:6:9: error: 'assert' was not declared in this scope
    6 |         assert (false);
      |         ^~~~~~
answer.code:2:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
    1 | #include <iostream>
  +++ |+#include <cassert>
    2 | using namespace std;