package prj_Matrix;

import java.util.HashSet;

public class Main {

    static int MATRIX_WIDTH = 5;
    static int MATRIX_HEIGHT = 5;

    public static void main(String[] args) {

        int[][] matrix = new int[MATRIX_WIDTH][MATRIX_HEIGHT];
        int max = matrix[0][0];
        int count = 1;

        for (int i = 0; i < MATRIX_WIDTH; i++) {
            for (int j = 0; j < MATRIX_HEIGHT; j++) {
                matrix[i][j] = (int) (Math.random() * 10);
            }
        }

        for (int i = 0; i < MATRIX_WIDTH; i++) {
            for (int j = 0; j < MATRIX_HEIGHT; j++) {
                System.out.print(matrix[i][j]);
            }
            System.out.println("");
        }

        for (int i = 0; i < MATRIX_WIDTH; i++) {
            for (int j = 0; j < MATRIX_HEIGHT; j++) {
                if (matrix[i][j] > max) {
                    max = matrix[i][j];
                    count = 1;
                } else if (matrix[i][j] == max)
                    count++;
            }
        }

        System.out.println("Max element is " + max + ", amount = " + count);

        HashSet<Integer> x = new HashSet<>();
        HashSet<Integer> y = new HashSet<>();

        for (int i = 0; i < MATRIX_WIDTH; i++) {
            for (int j = 0; j < MATRIX_HEIGHT; j++) {
                if (matrix[i][j] == max) {
                    x.add(j);
                    y.add(i);
                }
            }
        }

        System.out.println(x.toString());
        System.out.println(y.toString());

        System.out.println("Columns: ");

        x.forEach(ele -> {
            for (int i = 0; i < MATRIX_WIDTH; i++) {
                System.out.println(matrix[i][ele]);
            }
            System.out.println(" ");
        });

        System.out.println("Rows: ");

        y.forEach(ele -> {
            for (int i = 0; i < MATRIX_WIDTH; i++) {
                System.out.print(matrix[ele][i]);
            }
            System.out.println(" ");
        });

    }

}