[Soal8]check_emissions_limit_below

// Khisby Al Ghofari, 06.2017.1.06852, Kelas B
#include <iostream>

using namespace std;

int main()
{
    int pollutant,odometer;
    float massa,value;
    cout << "\n=========================================\n";
    cout << "Welcome To \n";
    cout << "Application Check Emmisions Below Limits\n";
    cout << "===========================================\n \n";

    cout << "Choose Pollutan : \n";
    cout << "1. Carbon Monoxide \n";
    cout << "2. Hydrocarbons\n";
    cout << "3. Nitrogen Oxides \n";
    cout << "4. Nonmethane Hydrocarbons \n";

    cout << "\nEnter pollutant number : ";
    cin >> pollutant;
    cout << "\nEnter number of grams emitted per mile: ";
    cin >> massa;
    cout << "\nEnter odometer reading: ";
    cin >> odometer;

    if(pollutant == 1 && odometer<50000){
        value = 3.4;
    }else if(pollutant == 2 && odometer<50000){
        value = 0.31;
    }else if(pollutant == 3 && odometer<50000){
        value = 0.4;
    }else if(pollutant == 4 && odometer<50000){
        value = 0.25;
    }else if(pollutant == 1 && odometer>=50000){
        value = 4.2;
    }else if(pollutant == 2 && odometer>=50000){
        value = 0.39;
    }else if(pollutant == 3 && odometer>=50000){
        value = 0.5;
    }else if(pollutant == 4 && odometer>=50000){
        value = 0.31;
    }else{
        cout << "Your input is invalid";
        return 0;
    }

    if(massa > value){
        cout << "Emmision exceed permitted level of " << value << " gram/mile";
    }else{
        cout << "it is normal, below limit " << value;
    }
}