leetcode 122. Best Time to Buy and Sell Stock II 股票多次买入卖出的最大利润

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

把所有的大于零的价格差累加起来。

class Solution {
public:int maxProfit(vector<int>& prices) {int n = prices.size();if(n<2) return 0;int i, max = 0;//把所有大于零的价格差累加起来for(i=1;i<n;i++){if(prices[i]-prices[i-1]>0)max+=prices[i]-prices[i-1];}return max;}
};