akjwbgiuoda

import java.util.Scanner;
public class EX3 {
   public static Scanner input = new Scanner(System.in);
    public static void main(String[] args) {

        int x,y;
        do{
            x = input.nextInt();
        }while(x<=0);

        do{
            y = input.nextInt();
        } while(y<=0);

        int mat[][] = preencher(x,y);
        int m[][]=ordenar1(mat,x,y);
        ordenar2(m);
    }

    public static int[][] preencher(int x, int y){
        int mat[][] = new int [x][y];
        for (int i = 0; i < mat.length; i++) {
            for (int j = 0; j < mat[i].length; j++) {
                mat[i][j] = input.nextInt();
            }
        }
        System.out.println("Matriz");
        for (int i = 0; i < mat.length; i++) {
            String Linha ="";
            for (int j = 0; j < mat[i].length; j++) {
                Linha = Linha + mat[i][j]+" ";
            }
            System.out.println(Linha);
        }
        return mat;
    }

    public static void ordenar2(int m[][]){
        int temp1,temp2;
        for (int i = m[0].length-1; i > 0; i--) {
            for (int j = 0; j < i; j++) {
                if ( m[1][j] < m[1][j+1] ) {
                    temp1=m[0][j];
                    temp2=m[1][j];
                    m[0][j]=m[0][j+1];
                    m[1][j]=m[1][j+1];
                    m[0][j+1]=temp1;
                    m[1][j+1]=temp2;
                }
            }
        }
        System.out.println("Frequencia");
        for (int i = 0; i < m.length; i++) {
            String Linha ="";
            for (int j = 0; j < m[i].length; j++) {
                Linha = Linha + m[i][j]+" ";
            }
            System.out.println(Linha);
        }

    }

    public static int[][] ordenar1(int [][] mat, int x, int y){
        int vet1[] = new int[x*y];
        for (int i = 0; i < vet1.length; i++) {
            vet1[i]=-100;
        }
        int k=0;
        int h =0;
        int cont=0;
        for (int i = 0; i < mat.length; i++) {
            for (int j = 0; j < mat[i].length; j++) {
                k=0;
                for (int m = 0; m < vet1.length; m++) {
                    if (mat[i][j] == (vet1[m])){
                        k++;
                    }
                }
                if (k==0){
                    vet1[h] = mat[i][j];
                    h++;
                }

            }
        }
        int vet2[] = new int[h];
        for (int l = 0; l < vet2.length; l++) {
            for (int i = 0; i < mat.length; i++) {
                for (int j = 0; j < mat[i].length; j++){
                    if ( vet1[l] == mat[i][j]){
                        cont++;
                    }
                }
            }
        vet2[l]=cont;
        cont=0;
        }

        int m[][]= new int [2][h];
        for (int i = 0; i < m[0].length; i++) {
            m[0][i] = vet1[i];
        }
        for (int i = 0; i < m[1].length; i++) {
            m[1][i] = vet2[i];
        }


        return m;
    }
}