Sensor Filter Selection

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

// Write your enum and function here
enum class FilterMode {
    NONE,
    LOW,
    HIGH
};

int readSensor(const int raw, const FilterMode fm = FilterMode::NONE) {
    if (fm == FilterMode::NONE) return raw;
    if (fm == FilterMode::LOW) return raw / 2;
    if (fm == FilterMode::HIGH) return raw / 4;
}

int main() {
    int raw, modeFlag;
    cin >> raw >> modeFlag;

    if (modeFlag == 0) {
        cout << readSensor(raw);
    } else {
        string filterName;
        cin >> filterName;

        FilterMode filter;

        if (filterName == "LOW") {
            filter = FilterMode::LOW;
        } else {
            filter = FilterMode::HIGH;
        }

        cout << readSensor(raw, filter);
    }

    return 0;
}