/in/foo.cc: In function 'int main()':
/in/foo.cc:24:16: warning: format '%ld' expects argument of type 'long int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=]
  scanf("%ld",&n);
                ^
/in/foo.cc:25:40: warning: format '%ld' expects argument of type 'long int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=]
  for (ll i=0;i<n;i++) scanf("%ld",&a[i]);
                                        ^
/in/foo.cc:42:20: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'll {aka long long int}' [-Wformat=]
  printf("%ld",count);
                    ^