/in/foo.cc: In function 'int main()':
/in/foo.cc:48:23: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
  scanf("%d%I64d",&n,&s);
                       ^
/in/foo.cc:50:22: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%I64d",&f[i]);
                      ^
/in/foo.cc:62:28: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%I64d",(ans%p+p)%p);
                            ^