/in/foo.cc: In function 'int main()':
/in/foo.cc:24:10: error: 'Juli' was not declared in this scope
    cout<<Juli(arr,i)<<" ";
          ^~~~
/in/foo.cc:24:10: note: suggested alternative: 'JuLi'
    cout<<Juli(arr,i)<<" ";
          ^~~~
          JuLi