public class Main_05_w2{

	public static void main(String[] args){
		int[] tab1 = { 10, 20, 30}; // int[]
		int tab2[] = {}; // int[]
		
		int[] tabA = new int[100]; // 0
		int[] tabB = new int[(int)(Math.random()*100)];
		
		// wstawianie
		tab1[0] = 40;
		
		// dlugosc
		int len = tab1.length;
		
		int[] tab3 = new int[10];
		for(int i=0;i < tab3.length; i++){
			tab3[i] = (int)(Math.random()*100);
		}
		
		// wyswietl
		for(int i=0;i < tab3.length; i++){
			System.out.print(tab3[i]+", ");
		}
		System.out.println();
/*		
		int min = 101;
		for(int i=0;i < tab3.length; i++){
			if( min > tab3[i])
				min = tab3[i];
		}
		System.out.println("min: "+min);
*/
/*
		int minIndex = 0;
		for(int i=0;i < tab3.length; i++){
			if( tab3[minIndex] > tab3[i])
				minIndex = i;
		}
		System.out.println(
			"minIndex: "+ minIndex +" "+tab3[minIndex]
		);
		
		int tmp = tab3[0];
		tab3[0] = tab3[minIndex];
		tab3[minIndex] = tmp;
		// wyswietl
		for(int i=0;i < tab3.length; i++){
			System.out.print(tab3[i]+", ");
		}
		System.out.println();
		
		
		minIndex = 1;
		for(int i=1;i < tab3.length; i++){
			if( tab3[minIndex] > tab3[i])
				minIndex = i;
		}
		System.out.println(
			"minIndex: "+ minIndex +" "+tab3[minIndex]
		);
		
		tmp = tab3[1];
		tab3[1] = tab3[minIndex];
		tab3[minIndex] = tmp;
		// wyswietl
		for(int i=0;i < tab3.length; i++){
			System.out.print(tab3[i]+", ");
		}
		System.out.println();
*/

		for(int j=0; j<tab3.length-1; j++){
			int minIndex = j;
			for(int i=j+1;i < tab3.length; i++){
				if( tab3[minIndex] > tab3[i])
					minIndex = i;
			}
			System.out.println(
				"minIndex: "+ minIndex +" "+tab3[minIndex]
			);
			
			int tmp = tab3[j];
			tab3[j] = tab3[minIndex];
			tab3[minIndex] = tmp;
			// wyswietl
			for(int i=0;i < tab3.length; i++){
				System.out.print(tab3[i]+", ");
			}
			System.out.println();	
		}
		
		int tabG[] = {0, 1, 2};
		int tabH[] = {3, 4, 5};
		int tabI[] = {6, 7, 8};
		int tabJ[] = {9,10,11};
		
		int[] tabRes[] = { tabG, tabH, tabI, tabJ};
		
		System.out.println(tabRes[3][0]);
		
		//int[][][] tabX = new int[10][20][30];
		int tabX[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
		
		// =========================================
		
		
		int[][] tabY = {
			{1, 2, 3},
			{4, 5, 6},
			{7, 8, 9}
		};
		
		int[][] tabZ = {
			{0, 0, 1},
			{0, 1, 0},
			{1, 0, 0}
		};
		
		int[][] tabRez = new int [3][3];
		
		for(int i=0; i<tabRez.length; i++){
			for(int j=0; j<tabRez[i].length; j++){
				for(int k=0; k < 3; k++){
					tabRez[i][j] += tabY[i][k] * tabZ[k][j];
				}
				System.out.print(tabRez[i][j]+" ");
			}
			System.out.println();
		}
	}
}