https://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/

Best Time to Buy and Sell Stock II.java

public class Solution {
    public int maxProfit(int[] prices) {
        int ret = 0;
        int index = 0;
        while (index < prices.length){
            if (index + 1 < prices.length){
                if (prices[index] < prices[index + 1]){
                    ret += prices[index + 1] - prices[index];
                }
            }
            index++;
        }
        return ret;
    }
}

嘛 简单的贪心。