Temperature Unit Conversion

#include <iostream>
using namespace std;
 
// Write your code here
float readTemp(int raw){
    return 0.1 * raw;
}

float readTemp(int raw, char unit){
    if(unit == 'C')
        return 0.1 * raw;
    else
        return (0.1 * raw)*1.8 +32;
}

 
int main() {
    int raw;
    char unit;
    cin >> raw >> unit;
 
    if (unit == 'D') {
        cout << readTemp(raw);
    } else {
        cout << readTemp(raw, unit);
    }
 
    return 0;
}

Solving Approach