arraySizeToKnow

// Arrays.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
using namespace std;
void MyFunction(int intArray[])
{
    int arraySize = sizeof(intArray);
    int  sizeOfOne = sizeof(int);
    int arrayLength = arraySize / sizeof(int);
    cout << "Array Size is = " << arrayLength << endl;
}
int main()
{
    int tmp[5] = {0,1,2,3,4};
    MyFunction(tmp);
}