Error Codes Enum

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

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

const char* toString(ErrorCode e) {
	// your code here
	switch(e)
   {
      case ErrorCode:: None :
      return "None";

      case ErrorCode:: Timeout :
      return "Timeout";

      case ErrorCode:: Overflow :
      return "Overflow";

      case ErrorCode:: Invalid :
      return "Invalid";
   }
}

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