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{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
   switch (e) {
        case ErrorCode::None:     return "None";
        case ErrorCode::Timeout:  return "Timeout";
        case ErrorCode::Overflow: return "Overflow";
        case ErrorCode::Invalid:  return "Invalid";
    }
    return "Invalid";
}

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