2017校园招聘 携程编程题

第二题 股票利润 import java.io.*;import java.util.*;import java.util.Scanner;    public class Main{      public static void main(String[] args)  {    Scanner cin = new Scanner(System.in);        while(cin.hasNext())        {        String s = cin.nextLine();        String[] str = s.split(",");        int[] arr = new int[str.length];        for(int i=0; i<str.length; i++){        arr[i] = Integer.valueOf(str[i]);        }                int maxProfit = 0;        int min = arr[0];        for (int i = 1; i < arr.length; i++) {        if(arr[i]-min>maxProfit)        maxProfit=arr[i]-min;        if(arr[i]<min)        min=arr[i];        }        System.out.println(maxProfit);           }            }}