201609-1 最大波动 Java

用绝对值,后一天减去前一天即可

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a[] = new int[n];
        for(int i=0;i<n;i++) {
            a[i] = sc.nextInt();
        }
        int max = Math.abs(a[1] - a[0]);
        for(int j=1;j<n-1;j++) {
            if(Math.abs(a[j+1] - a[j]) > max) {
                max = Math.abs(a[j+1] - a[j]);
            }
        }
        System.out.println(max);
    }

}

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转载自www.cnblogs.com/yu-jiawei/p/12365533.html