foo.cc:36:25: warning: multi-character character constant [-Wmultichar]
   36 |         cout << ans1 << 'endl'\n << ans2;
      |                         ^~~~~~
foo.cc:36:31: error: stray ‘\’ in program
   36 |         cout << ans1 << 'endl'\n << ans2;
      |                               ^
foo.cc: In function ‘int main()’:
foo.cc:36:31: error: expected ‘;’ before ‘n’
   36 |         cout << ans1 << 'endl'\n << ans2;
      |                               ^~
      |                               ;