如何显示我可以从一只股票赚取的所有可能利润?

时间:2019-03-10 11:12:18

标签: java arrays stock maximum-profit-problem

这是我寻找可以从股票中获得最大利润的解决方案。

int [] aktiePris = new int [] {10,7,5,8,11,9};是一个数组,其中的索引是股市开盘后的分钟,而值是股票的价格。

例如,aktiePris [60] = 300表示在股市开盘一小时后股票的价值为300。

现在,我的代码返回我可以通过买卖一只股票赚取的最大利润。如果我想多次买卖aktiePris怎么办?我该如何从买卖aktiePris中赚取的可能利润中列出一些?

import java.text.SimpleDateFormat;
import java.util.Calendar;

public class ProfitCalculator {
static int minValue, maxValue, maxDiff;
static Calendar timeMin, timeMax;
static int indeksMinMinut, indeksMaxMinut;

public static void main(String args[]) {

    int[] aktiePris = new int[]{10, 7, 5, 8, 11, 9};
    int profit = findProfit(aktiePris);

    SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm");

    timeMin = findTime();
    timeMin.add(timeMin.MINUTE, indeksMinMinut);
    timeMax = findTime();
    timeMax.add(timeMax.MINUTE, indeksMaxMinut);
    System.out.println("Best time & price for buying is " + timeFormat.format(timeMin.getTime()) + " for " + minValue + " EUR." + "\n"
            + "Best time & price for selling is " + timeFormat.format(timeMax.getTime()) + " for " + maxValue + " EUR." + "\n"
            + "Profit: " + profit);
}

public static int findProfit(int[] inputArray) {

    if (inputArray.length < 1)
        return 0;

    maxDiff = 0;
    minValue = inputArray[0];
    maxValue = minValue;

    for (int i = 1; i < inputArray.length; i++) {
        if (inputArray[i] > maxValue) {
            maxValue = inputArray[i];
            indeksMaxMinut = i;
            int priceDiff = maxValue - minValue;
            if (priceDiff > maxDiff) {
                maxDiff = priceDiff;
            }
        } else if (inputArray[i] < minValue) {
            minValue = maxValue = inputArray[i];
            indeksMinMinut = i;
        }
    }

    return maxDiff;
}

public static Calendar findTime() {

    Calendar calendar = Calendar.getInstance();
    calendar.getInstance();
    calendar.set(Calendar.HOUR_OF_DAY, 9);
    calendar.set(Calendar.MINUTE, 30);

    return calendar;
}
}

0 个答案:

没有答案