#include <iostream>
 #include <typeinfo>

 std::string overloadTest(int){
   return "int";
 }

 std::string overloadTest(long int){
   return "long int";
 }

 int main(){

   std::cout << std::endl;

   int a= NULL;
   int* b= NULL;
   auto c= NULL;
   // std::cout << typeid(c).name() << std::endl;
   // std::cout << typeid(NULL).name() << std::endl;

   std::cout << "overloadTest(NULL)= " << overloadTest(NULL) << std::endl;

   std::cout << std::endl;

 }