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) printf("None");
    else{
        if(cfg&1) printf("ChannelEnable ");
        if(cfg>>1&1) printf("InterruptEnable ");
        if(cfg>>2&1) printf("DMAEnable ");
    }
}
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