Sensor Filter Selection

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

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

float readSensor(int raw , FilterMode filter = NONE)
{
    switch(filter)
    {
        case LOW : return raw/2 ; 
        case HIGH : return raw/4 ; 
        default : return raw ;  
    }
}

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;
}