122. 买卖股票的最佳时机 II

题目链接：https://leetcode.cn/problems/best-time-to-buy-and-sell-stock-ii/description/

Java

class Solution {
    public int maxProfit(int[] prices) {
        int sum = 0;
        for (int i = 1; i < prices.length; i++) {
            if (prices[i] > prices[i - 1]) {
                sum += prices[i] -  prices[i - 1];
            }    
        }
        return sum;
    }
}