import java.util.Arrays;
import java.util.Scanner;

public class Competition {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        System.out.println();
        int a = scanner.nextInt();
        double arr[] = new double[a];
        double sum=0;
        double fastes = 0;
        double ave = 0;
        double slowest = 0;
        double sdl=0;
        double sd=0;
        for (int i = 0; i < a; i++) {

            System.out.println("Enter the time of the the competitors");
            arr[i] = scanner.nextDouble();

            if (slowest < arr[i]) {
                slowest = arr[i];

            }
                if (arr[i] < arr[0]) {
                    fastes = arr[i];
                } else {
                    fastes = arr[0];
                }
                sum += arr[i];
            }
            ave = sum / arr.length;
            for (int i = 0; i < a; i++) {
                sdl=sum*(Math.pow((arr[i]-ave),2));
                sd=Math.sqrt(sdl/a);


            }
            System.out.println(Arrays.toString(arr));
            System.out.println("The fastest one is: " + fastes);
            System.out.println("The slowest one is: " + slowest);
            System.out.println("The average speed is: " + ave);
            System.out.println("The standard deviation is: " + sd);


    }
}