---

import java.util.Arrays;
import java.util.Random;

public class Main {
    public static void main(String[] args) {
        Random random = new Random();

        int[] numbers = new int[10];

        for (int i = 0; i < numbers.length; i++) {
            numbers[i] = random.nextInt(101);
        }

        int sum = 0;

        for (int i = 0; i < numbers.length; i++) {
            sum = sum + numbers[i];
        }

        System.out.println(Arrays.toString(numbers));
        System.out.println("Сумма: " + sum);
    }
}







import java.util.Scanner;

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

        System.out.print("Введите количество элементов: ");
        int n = scanner.nextInt();

        int[] numbers = new int[n];

        for (int i = 0; i < numbers.length; i++) {
            System.out.print("Введите число: ");
            numbers[i] = scanner.nextInt();
        }

        int max = numbers[0];
        int secondMax = numbers[0];

        for (int i = 1; i < numbers.length; i++) {
            if (numbers[i] > max) {
                secondMax = max;
                max = numbers[i];
            } else if (numbers[i] > secondMax && numbers[i] != max) {
                secondMax = numbers[i];
            }
        }

        System.out.println("Второй максимум: " + secondMax);
    }
}




import java.util.Scanner;

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

        System.out.print("Введите количество элементов: ");
        int n = scanner.nextInt();

        int[] numbers = new int[n];

        for (int i = 0; i < numbers.length; i++) {
            System.out.print("Введите число: ");
            numbers[i] = scanner.nextInt();
        }

        System.out.println("Уникальные элементы:");

        for (int i = 0; i < numbers.length; i++) {
            int count = 0;

            for (int j = 0; j < numbers.length; j++) {
                if (numbers[i] == numbers[j]) {
                    count++;
                }
            }

            if (count == 1) {
                System.out.print(numbers[i] + " ");
            }
        }
    }
}






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

public class Main {

    static int[] reverse(int[] numbers) {
        int[] result = new int[numbers.length];

        for (int i = 0; i < numbers.length; i++) {
            result[i] = numbers[numbers.length - 1 - i];
        }

        return result;
    }

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

        System.out.print("Введите количество элементов: ");
        int n = scanner.nextInt();

        int[] numbers = new int[n];

        for (int i = 0; i < numbers.length; i++) {
            numbers[i] = scanner.nextInt();
        }

        int[] result = reverse(numbers);

        System.out.println("Исходный массив: " + Arrays.toString(numbers));
        System.out.println("Развёрнутый массив: " + Arrays.toString(result));
    }
}









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

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

        System.out.print("Введите количество элементов: ");
        int n = scanner.nextInt();

        int[] numbers = new int[n];

        for (int i = 0; i < numbers.length; i++) {
            numbers[i] = scanner.nextInt();
        }

        for (int i = 0; i < numbers.length - 1; i += 2) {
            int temp = numbers[i];
            numbers[i] = numbers[i + 1];
            numbers[i + 1] = temp;
        }

        System.out.println(Arrays.toString(numbers));
    }
}