@@ -0,0 +1,485 @@
+// https://codeforces.com/problemset/problem/169/A%0A%0Aimport java.util.Arrays;%0Aimport java.util.Scanner;%0A%0Apublic class Solution %7B%0A%0A%09public static void main(String%5B%5D args) %7B%0A%09%09Scanner read = new Scanner(System.in);%0A%09%09%0A%09%09int n = read.nextInt();%0A%09%09int a = read.nextInt();%0A%09%09int b = read.nextInt();%0A%09%09%0A%09%09int%5B%5D h = new int%5Bn%5D;%0A%09%09for (int i = 0; i %3C n; ++i) %7B%0A%09%09%09h%5Bi%5D = read.nextInt();%0A%09%09%7D%0A%09%09%0A%09%09Arrays.sort(h);%0A%0A%09%09System.out.println(h%5Bb%5D - h%5Bb-1%5D);%0A%09%09%0A%09%09// Close scanner%0A%09%09read.close();%0A%09%7D%0A%0A%7D%0A

Create Chores.java