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

// Declare enum class AdcConfig : uint8_t
// ChannelEnable = 1
// InterruptEnable = 2
// DMAEnable = 4

// Implement void printConfig(uint8_t cfg)

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

 

 

 

 

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Input

1 0 1

Expected Output

ChannelEnable DMAEnable