#include <Windows.h>
#include <iostream>

bool IsUserAdmin()
{
    BOOL bIsAdmin = FALSE;
    SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
    PSID AdministratorsGroup;
    if (AllocateAndInitializeSid(&NtAuthority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &AdministratorsGroup))
    {
        if (!CheckTokenMembership(NULL, AdministratorsGroup, &bIsAdmin))
        {
            bIsAdmin = FALSE;
        }
        FreeSid(AdministratorsGroup);
    }
    return bIsAdmin == TRUE;
}

int main()
{
    if (IsUserAdmin())
    {
        std::cout << "Current process has administrator privileges." << std::endl;
    }
    else
    {
        std::cout << "Current process does not have administrator privileges." << std::endl;
    }
    return 0;
}