การวิเคราะห์ทางสถิติเบื้องต้นของอาร์เรย์สองมิติ

import java.util.Arrays;
import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
 
        int m = scanner.nextInt();
        int n = scanner.nextInt();
 
        int[][] array = new int[m][n];
        int totalElements = m * n;
        int sum = 0;
        int min = Integer.MAX_VALUE;
        int max = Integer.MIN_VALUE;
        int currentIndex = 0;
 
        int[] medianArray = new int[totalElements];
 
        for (int i = 0; i < m; i++) {
            for (int j = 0; j < n; j++) {
                array[i][j] = scanner.nextInt();
                sum += array[i][j];
                if (array[i][j] < min) min = array[i][j];
                if (array[i][j] > max) max = array[i][j];
 
                medianArray[currentIndex] = array[i][j];
                currentIndex++;
            }
        }
 
        double average = (double) sum / totalElements;
 
        Arrays.sort(medianArray);
        double median = (totalElements % 2 == 0)
                ? (medianArray[totalElements / 2 - 1] + medianArray[totalElements / 2]) / 2.0
                : medianArray[totalElements / 2];
 
        System.out.println("Sum: " + sum);
        System.out.println("Minimum value: " + min);
        System.out.println("Maximum value: " + max);
        System.out.println("Average value: " + average);
        System.out.println("Median value: " + median);
    }
}

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

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

        int m = scanner.nextInt();
        int n = scanner.nextInt();

        int[][] array = new int[m][n];
        int totalElements = m * n;
        int sum = 0;
        int min = Integer.MAX_VALUE;
        int max = Integer.MIN_VALUE;
        int currentIndex = 0;

        int[] medianArray = new int[totalElements];

        for (int i = 0; i < m; i++) {
            for (int j = 0; j < n; j++) {
                array[i][j] = scanner.nextInt();
                sum += array[i][j];
                if (array[i][j] < min) min = array[i][j];
                if (array[i][j] > max) max = array[i][j];
 
                medianArray[currentIndex] = array[i][j];
                currentIndex++;
            }
        }

        double average = (double) sum / totalElements;

        Arrays.sort(medianArray);
        double median = (totalElements % 2 == 0)
                ? (medianArray[totalElements / 2 - 1] + medianArray[totalElements / 2]) / 2.0
                : medianArray[totalElements / 2];

        System.out.println("Sum: " + sum);
        System.out.println("Minimum value: " + min);
        System.out.println("Maximum value: " + max);
        System.out.println("Average value: " + average);
        System.out.println("Median value: " + median);