import java.util.*;
import java.lang.*;


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

		// --- punkt 1 ---
		int m = 7;
		int n = 5;
		int M = 50;
		int [][] A = new int[m][n];

		Random rr = new Random();
		for(int i =0; i < m; i++)
			for(int j = 0 ; j < n; j++)
				A[i][j] = rr.nextInt(M);

		System.out.println("Podpunkt 1" + "\n" + Arrays.deepToString(A));

		// --- koniec punktu 1 ---


		// --- punkt 2 ---
		int k = 3;
		int [] B = new int[m];
		int indeks = 0;
		for(int i = 0 ; i < m ; i++)
		{
			B[i] = A[i][k-1];
			indeks++;
			if(indeks == n)
				indeks = 0;
		}

		System.out.println("\n" + "Podpunkt 2" + "\n" +Arrays.toString(B));

		// --- koniec punktu 2 ---


		// --- punkt 3 ---
		int tablica_tab[][] = new int [5][4];
		for(int i =0; i < 5; i++)
			for(int j = 0 ; j < 4; j++)
				tablica_tab[i][j] = rr.nextInt(100);

		System.out.println("\n" + Arrays.deepToString(tablica_tab));

		int iw = 2;
		int jk = 1;
		int rozmiar_x_C = 5;
		int rozmiar_y_C = 4;
		int [][] C = new int [rozmiar_x_C -1][rozmiar_y_C -1];
		int i_temp = -1;
		int j_temp =-1;
		for(int i = 0 ; i < rozmiar_x_C -1 ; i++)
		{
			i_temp++;
			if(i == iw)
				continue;
			for(int j = 0; j < rozmiar_y_C -1; j++)
			{
				j_temp++;
				if(j == jk)
					continue;

				if(i_temp < rozmiar_x_C -1 && j_temp < rozmiar_y_C -1)
					C[i_temp][j_temp] = tablica_tab[i][j];
			}
			j_temp = 0;
		}

		System.out.println("\n" + "Podpunkt 3" + "\n" +Arrays.deepToString(C));


		// --- koniec punktu 3 ---
	}
}