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- import java.util.Scanner;
- public class C {
- public static void main(String[] args) {
- int[] a = new int[cin.nextInt()];
- int[] b = new int[cin.nextInt()];
- for (int i = 0; i < a.length; i++) {
- a[i] = cin.nextInt();
- }
- for (int i = 0; i < b.length; i++) {
- b[i] = cin.nextInt();
- }
- int min = Integer.MAX_VALUE;
- for (int i = 0; i < a.length; i++)
- for (int j = 0; j < b.length; j++) {
- int cur = Math.abs(a[i] - b[j]);
- if (cur < min) min = cur;
- }
- System.out.println(min);
- cin.close();
- }
- static Scanner cin = new Scanner(System.in);
- }
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