Sensor Filter Selection

#include <iostream>
#include <string>
using namespace std;
enum FilterMode{
    NONE,LOW,HIGH
};
// Write your enum and function here
int readSensor(int raw,FilterMode filter=NONE){
    return filter==NONE ? raw : filter==LOW ? raw/2 : 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 = LOW;
        } else {
            filter = HIGH;
        }

        cout << readSensor(raw, filter);
    }

    return 0;
}

Solving Approach