#include <iostream>
#include <typeinfo>

struct hoge {
  int* p;
};

int main() {
  hoge fuga;
  int arr[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
  fuga.p = arr;
  std::cout << sizeof(fuga.p) / sizeof(int) << " " << typeid(fuga.p).name() << std::endl;
  std::cout << sizeof(arr) / sizeof(int) << " " << typeid(arr).name() << std::endl;
}