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

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

        System.out.println("Enter the number of competitors ");
        Scanner scanner = new Scanner(System.in);

        int numberOfCompetitors = scanner.nextInt();
        if(numberOfCompetitors <= 1 ){
            System.out.println("Incorrect value");
            System.exit(0);
        }

        int[] competitors = new int[numberOfCompetitors];

        //Enter score for each competitor
        for(int i = 0; i < competitors.length; i++){
            System.out.println("Enter the time of the " + (i + 1) + "'s" + " competitor in sec.");
            competitors[i] = scanner.nextInt();

            if(competitors[i] <= 0 ){
                System.out.println("Incorrect value");
                System.exit(0);
            }
        }

        //Sorting the array
        Arrays.sort(competitors);

        //calculate the amount of time
        int sum = 0;
        for(int i = 0; i < competitors.length; i++){
            sum += competitors[i];
        }

        //avg
         double average = sum / competitors.length;

        //calculate the standard deviation
        int round = 0;
        double x = 0;
        double standardDeviation;
        while(true){
            if(round == (competitors.length)){
                standardDeviation = Math.sqrt(x / competitors.length);
                break;
            }
            x = x + Math.pow(competitors[round] - average,2);
            round++;
        }


         System.out.println("All results: " + Arrays.toString(competitors));
         System.out.printf("The fastest result: %d sec %n", competitors[0]);
         System.out.printf("The slowest result: %d sec %n",competitors[competitors.length - 1]);
         System.out.printf("Avg: %.1f%n",(double)(sum / competitors.length));
         System.out.printf("Standard deviation: %.2f sec %n",standardDeviation);


    }
}