题解 | 最大的差

import java.util.Scanner;

public class Main {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);

    int n = scanner.nextInt();
    int max = Integer.MIN_VALUE;
    int min = Integer.MAX_VALUE;

    for (int i = 0; i < n; i++) {
        int num = scanner.nextInt();
        if (num > max) {
            max = num;
        }
        if (num < min) {
            min = num;
        }
    }

    System.out.println(max - min);
}

}