#include<iostream>
#include<fstream>
using namespace std;
struct test {
    int a;
    int b;//overall:8B
};
struct test2 {
    char ch;
    int num;//overall:8B
};
int GetFileLen(ifstream& f)
{
    f.seekg(0, ios::end);//placing the pointer at the end of file
    int size = f.tellg();//pointer's position
    f.seekg(0, ios::beg);
    return size;
}
int main() {
    ifstream f("test.bat", ios::binary);
    int fileSize = GetFileLen(f);
    int arrayLen = GetFileLen(f) / sizeof(test2);
    test2* arr = new test2[arrayLen];
    f.read((char*)arr, fileSize);
    f.close();
    while (true)
    {

    };
    return 0;
}