JAVA
java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
/****************
Array Inverses Challenge
hmysjiang
input an int n, generate an array of size n, containing random ints(in my case, 0~9)
Find the inverses in the array and print them out
****************/
import java.util.Scanner;
import java.util.ArrayList;
import java.util.Random;
public class Challenge{
public static void main(String[] args) {
int n = new Scanner(System.in).nextInt(), inverses = 0;
ArrayList<Integer> L = new ArrayList();
Random rnd = new Random();
for (int i = 0;i<n;i++)
L.add(rnd.nextInt(9));
System.out.println(L);
for (int i = 0;i<L.size();i++)
for (int j = i+1;j<L.size();j++)
if (L.get(i)>L.get(j)){
inverses++;
Enter to Rename, Shift+Enter to Preview
OUTPUT
Run