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Question #140 Difficulty: 2

According to the C++17 standard, what is the output of this program? 

    #include <iostream>
using namespace std;

size_t get_size_1(int* arr)
{
  return sizeof arr;
}

size_t get_size_2(int arr[])
{
  return sizeof arr;
}

size_t get_size_3(int (&arr)[10])
{
  return sizeof arr;
}

int main()
{
  int array[10];
  //Assume sizeof(int*) != sizeof(int[10])
  cout << (sizeof(array) == get_size_1(array));
  cout << (sizeof(array) == get_size_2(array));
  cout << (sizeof(array) == get_size_3(array));
}

Hint:

§[dcl.fct]¶5 in the standard: "any parameter of type “array of T” (...) is adjusted to be “pointer to T”".

Answer:

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