問題描述

個人答案

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
		
	}
	//在這幾天中某天收盤價格與前一天收盤價格之差的絕對值最大是多少
	public void run(){
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] arr = new int[n];
		//存入陣列
		for(int i = 0;i < n;i++){
			arr[i] = sc.nextInt();
		}
		
		//記錄最大絕對值
		int result = 0;
		int num = 0;
		for(int j = 0;j < (arr.length-1);j++){
			 num = arr[j] - arr[j+1];
			 if(num < 0){
				 //取絕對值
				 num = -num;
			 }
			 if(num > result){
				 result = num;
			 } 
		}
		
		System.out.println(result);
		
	}
	
}