You are given an integer n, representing the number of employees in a company. Each employee is assigned a unique ID from 1 to n, and employee 1 is the CEO. You are given two 1-based integer arrays, present and future, each of length n, where:

给你一个整数数组 prices，其中 prices[i] 是第 i 天股票的价格（美元），以及一个整数 k。 你最多可以进行 k 笔交易，每笔交易可以是以下任一类型：

You are given an integer array prices where prices[i] is the price of a stock in dollars on the ith day, and an integer k. You are allowed to make at most k transactions, where each transaction can be either of the following:

给你两个整数数组 prices 和 strategy，其中：