foo.cpp: In function 'int_ main()':
foo.cpp:42:15: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d",&N);
               ^
foo.cpp:53:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d\n",F[N]);
                    ^