/in/foo.cc: In function 'int main()':
/in/foo.cc:12:15: warning: 'ans2' may be used uninitialized [-Wmaybe-uninitialized]
   12 |         cout<<ans2;
      |               ^~~~
/in/foo.cc:10:35: note: 'ans2' was declared here
   10 |         int n ,ans = 1 ,ans1 = 1 ,ans2 ; cin>>n;
      |                                   ^~~~