ADC Config Flags

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

enum class AdcConfig : uint8_t {
    ChannelEnable   = 1,
    InterruptEnable = 2,
    DMAEnable       = 4
};

void printConfig(uint8_t cfg) {
    bool printed = false;

    if (cfg & static_cast<uint8_t>(AdcConfig::ChannelEnable)) {
        cout << "ChannelEnable";
        printed = true;
    }
    if (cfg & static_cast<uint8_t>(AdcConfig::InterruptEnable)) {
        if (printed) cout << " ";
        cout << "InterruptEnable";
        printed = true;
    }
    if (cfg & static_cast<uint8_t>(AdcConfig::DMAEnable)) {
        if (printed) cout << " ";
        cout << "DMAEnable";
        printed = true;
    }

    if (!printed) {
        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