package java1920;

import java.util.Scanner;
import java.util.Arrays;
import java.lang.Math;

public class Lesson_0_Activity_0 {
	public static void main(String[]arg) {
		Scanner kb = new Scanner (System.in);

		System.out.println("Enter an array length (must be 10 or greater): ");
		int arrLength = kb.nextInt();

		if (arrLength < 10) {
		    while (arrLength < 10) {
		        System.out.println("Enter an array length (must be 10 or greater): ");
		        arrLength = kb.nextInt();
		    }
	    }

	    int[]list1 = new int [arrLength];
	    int[]list2 = new int [arrLength];

	    for (int i = 0; i < arrLength; i++) {
	        list1[i] = (int)(Math.random()*100+1);
	        for (int j = 0; j < arrLength; j++) {
	            list2[j] = (int)(Math.random()*100+1);
	        }
	    }

	    int[]list = new int [arrLength*2];

	    int c = 0;

        for (int i = 0; i < arrLength*2; i++) {
            if (i % 2 == 0)
            	list[i] = list1[c];
            else
            	c++;
        }

        c = 0;

        for (int i = 1; i < arrLength*2; i+=2) {
            list[i] = list2[c];
            c++;
        }

        c = 0;

        for (int i = 0; i < arrLength*2; i++) {
        	for (int j = i + 1; j < arrLength*2; j++) {
        		if (list[i] == list[j]) {
        			list[j] = 0;
        		}
        	}
        }

        int arrLengthC = arrLength * 2;

	    for (int i = 0; i < arrLengthC; i++) {
	    	if (list[i] == 0)
	    		arrLengthC --;
	    }

	    int[]listC = new int [arrLengthC];

	    c = 0;

	    for (int i = 0; i < list.length; i++) {
	    	if (list[i] != 0) {
	    		listC[c] = list[i];
	    		c++;
	    	}
	    }

	    System.out.println();
	    System.out.print("First Array: ");
	    for (int i = 0; i < arrLength; i++) {
	    	System.out.print(list1[i] + " ");
	    }
	    System.out.println();
	    System.out.println();
	    System.out.print("Second Array: ");
	    for (int i = 0; i < arrLength; i++) {
	    	System.out.print(list2[i] + " ");
	    }
	    System.out.println();
	    System.out.println();
	    System.out.print("Merged Array: ");
	    for (int i = 0; i < arrLengthC; i++) {
	    	if (listC[i] == 0)
	    		c = c;
	    	else
	    		System.out.print(listC[i] + " ");
	    }
    }
}