04. Computer Firm

package SamiqtIzpit;

import java.util.Scanner;

public class P04 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        double finalsales = 0;
        double ratingcount = 0;
        for (int i = 1; i <n ; i++) {
            double rating = 0;
            int num = Integer.parseInt(scanner.nextLine());
            if (num % 10 == 2){
                rating = 0;
                ratingcount +=2;
            } else if (num % 10 == 3) {
                rating = 0.5;
                ratingcount +=3;
            } else if (num % 10 == 4) {
                rating = 0.7;
                ratingcount +=4;
            } else if (num % 10 == 5) {
                rating = 0.85;
                ratingcount +=5;
            }else {
                rating=1.0;
                ratingcount +=6;
            }
            String firsttwodec = "";
            String numSrt = Integer.toString(num);
            for (int j = 0; j <=1 ; j++) {
                char r =numSrt.charAt(j);
                String newstr = r + "";
                firsttwodec = firsttwodec + newstr;

            }
            int decimal = Integer.parseInt(firsttwodec);
            double sales = decimal + rating;
            finalsales += sales;

        }
        System.out.printf("%.2f\n", finalsales);
        System.out.printf("%.2f", ratingcount /n);



    }
}