Error Codes Enum

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

enum class ErrorCode : uint8_t 
{
   None,
   Timeout,
   Overflow,
   Invalid
};
// your code here :- declare enum class ErrorCode 
// ErrorCode has 4 values of type uint8_t --> None, Timeout, Overflow and Invalid 

const char* toString(ErrorCode e) {
   if(e == ErrorCode::None) return "None";
   else if(e == ErrorCode::Timeout) return "Timeout";
   else if(e == ErrorCode::Overflow) return "Overflow";
   else return "Invalid";
}

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