Error Codes Enum

#include <iostream>
#include <cstdint>
using namespace std;

// your code here :- declare enum class ErrorCode 
// ErrorCode has 4 values of type uint8_t --> None, Timeout, Overflow and Invalid 
enum class ErrorCode : uint8_t {
   None,
   Timeout,
   Overflow,
   Invalid
};
const char* toString(ErrorCode e) {
	// your code here
	// define a function that returns the string of input error code
	// eg : error code : None , function return : "None" string
   if (e == ErrorCode::None) return "None";
   else if (e == ErrorCode::Timeout) return "Timeout";
   else if (e == ErrorCode::Overflow) return "Overflow";
   else if (e == ErrorCode::Invalid) return "Invalid";
}

int main() {
   int x;
   cin >> x;
   ErrorCode e = static_cast<ErrorCode>(x);
   cout << toString(e);
   return 0;
}