Write (separate) programs to execute each algorithm 10 times, to get a good average. Run program (1) for N = 250, 500, 1,000, 2,000; program (2) for N = 25,000, 50,000, 100,000, 200,000, 400,000, 800,000; and program

import java.util.Random; import java.util.Scanner;

public class permutation_2 {

public static void main(String args[]) {

System.out.println("Enter the array size: "); Scanner scan = new Scanner(System.in); int size = scan.nextInt(); int a[] = new int[size]; System.out.println("Entered size: " + size); boolean used[] = new boolean[size+1]; // start loop for (int i = 0; i < size; i++) { used[i] = false; // for loop end } //int low = 1; //int high = size + 1; //int ran;

Random r = new Random();

int MAX = size;

//Random r = new Random();

for (int i = 0; i