5.Best Time to Buy and Sell Stock II.cpp

class Solution {
public:
    int maxProfit(vector<int>& prices) {
        int buy=0;
        for(int i=1;i<prices.size();i++)
        {
           if(prices[i]>prices[i-1])
           {
               buy += prices[i] - prices[i-1];
           }
            
        }
        return buy;
    }
};