ADC Config Flags

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

// Declare enum class AdcConfig : uint8_t
// ChannelEnable = 1
// InterruptEnable = 2
// DMAEnable = 4
enum class AdcConfig : uint8_t {
    ChannelEnable = 1,
    InterruptEnable = 2,
    DMAEnable = 4
};
// Implement void printConfig(uint8_t cfg)
void printConfig(uint8_t cfg) {
  if (cfg & static_cast<uint8_t>(AdcConfig::ChannelEnable))
        cout << "ChannelEnable ";

    if (cfg & static_cast<uint8_t>(AdcConfig::InterruptEnable))
        cout << "InterruptEnable ";

    if (cfg & static_cast<uint8_t>(AdcConfig::DMAEnable))
        cout << "DMAEnable ";
    if ((cfg & 7) == 0)
        cout << "None";
}
int main() {
    int ch, intr, dma;
    cin >> ch >> intr >> dma;

    uint8_t cfg = 0;
    if (ch)   cfg |= static_cast<uint8_t>(AdcConfig::ChannelEnable);
    if (intr) cfg |= static_cast<uint8_t>(AdcConfig::InterruptEnable);
    if (dma)  cfg |= static_cast<uint8_t>(AdcConfig::DMAEnable);

    printConfig(cfg);
    return 0;
}

Solving Approach